tcpdf.php

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<?php
//============================================================+
// File name   : tcpdf.php
// Version     : 6.2.13
// Begin       : 2002-08-03
// Last Update : 2015-06-18
// Author      : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - info@tecnick.com
// License     : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
// -------------------------------------------------------------------
// Copyright (C) 2002-2015 Nicola Asuni - Tecnick.com LTD
//
// This file is part of TCPDF software library.
//
// TCPDF is free software: you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// TCPDF is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the License
// along with TCPDF. If not, see
// <http://www.tecnick.com/pagefiles/tcpdf/LICENSE.TXT>.
//
// See LICENSE.TXT file for more information.
// -------------------------------------------------------------------
//
// Description :
//   This is a PHP class for generating PDF documents without requiring external extensions.
//
// NOTE:
//   This class was originally derived in 2002 from the Public
//   Domain FPDF class by Olivier Plathey (http://www.fpdf.org),
//   but now is almost entirely rewritten and contains thousands of
//   new lines of code and hundreds new features.
//
// Main features:
//  * no external libraries are required for the basic functions;
//  * all standard page formats, custom page formats, custom margins and units of measure;
//  * UTF-8 Unicode and Right-To-Left languages;
//  * TrueTypeUnicode, TrueType, Type1 and CID-0 fonts;
//  * font subsetting;
//  * methods to publish some XHTML + CSS code, Javascript and Forms;
//  * images, graphic (geometric figures) and transformation methods;
//  * supports JPEG, PNG and SVG images natively, all images supported by GD (GD, GD2, GD2PART, GIF, JPEG, PNG, BMP, XBM, XPM) and all images supported via ImagMagick (http://www.imagemagick.org/www/formats.html)
//  * 1D and 2D barcodes: CODE 39, ANSI MH10.8M-1983, USD-3, 3 of 9, CODE 93, USS-93, Standard 2 of 5, Interleaved 2 of 5, CODE 128 A/B/C, 2 and 5 Digits UPC-Based Extension, EAN 8, EAN 13, UPC-A, UPC-E, MSI, POSTNET, PLANET, RMS4CC (Royal Mail 4-state Customer Code), CBC (Customer Bar Code), KIX (Klant index - Customer index), Intelligent Mail Barcode, Onecode, USPS-B-3200, CODABAR, CODE 11, PHARMACODE, PHARMACODE TWO-TRACKS, Datamatrix, QR-Code, PDF417;
//  * JPEG and PNG ICC profiles, Grayscale, RGB, CMYK, Spot Colors and Transparencies;
//  * automatic page header and footer management;
//  * document encryption up to 256 bit and digital signature certifications;
//  * transactions to UNDO commands;
//  * PDF annotations, including links, text and file attachments;
//  * text rendering modes (fill, stroke and clipping);
//  * multiple columns mode;
//  * no-write page regions;
//  * bookmarks, named destinations and table of content;
//  * text hyphenation;
//  * text stretching and spacing (tracking);
//  * automatic page break, line break and text alignments including justification;
//  * automatic page numbering and page groups;
//  * move and delete pages;
//  * page compression (requires php-zlib extension);
//  * XOBject Templates;
//  * Layers and object visibility.
//      * PDF/A-1b support
//============================================================+
 
// TCPDF configuration
require_once(dirname(__FILE__).'/tcpdf_autoconfig.php');
// TCPDF static font methods and data
require_once(dirname(__FILE__).'/include/tcpdf_font_data.php');
// TCPDF static font methods and data
require_once(dirname(__FILE__).'/include/tcpdf_fonts.php');
// TCPDF static color methods and data
require_once(dirname(__FILE__).'/include/tcpdf_colors.php');
// TCPDF static image methods and data
require_once(dirname(__FILE__).'/include/tcpdf_images.php');
// TCPDF static methods and data
require_once(dirname(__FILE__).'/include/tcpdf_static.php');
 
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
class TCPDF {
 
        // Protected properties
 
        protected $page;
 
        protected $n;
 
        protected $offsets = array();
 
        protected $pageobjects = array();
 
        protected $buffer;
 
        protected $pages = array();
 
        protected $state;
 
        protected $compress;
 
        protected $CurOrientation;
 
        protected $pagedim = array();
 
        protected $k;
 
        protected $fwPt;
 
        protected $fhPt;
 
        protected $wPt;
 
        protected $hPt;
 
        protected $w;
 
        protected $h;
 
        protected $lMargin;
 
        protected $rMargin;
 
        protected $clMargin;
 
        protected $crMargin;
 
        protected $tMargin;
 
        protected $bMargin;
 
        protected $cell_padding = array('T' => 0, 'R' => 0, 'B' => 0, 'L' => 0);
 
        protected $cell_margin = array('T' => 0, 'R' => 0, 'B' => 0, 'L' => 0);
 
        protected $x;
 
        protected $y;
 
        protected $lasth;
 
        protected $LineWidth;
 
        protected $CoreFonts;
 
        protected $fonts = array();
 
        protected $FontFiles = array();
 
        protected $diffs = array();
 
        protected $images = array();
 
        protected $svg_tag_depth = 0;
 
        protected $PageAnnots = array();
 
        protected $links = array();
 
        protected $FontFamily;
 
        protected $FontStyle;
 
        protected $FontAscent;
 
        protected $FontDescent;
 
        protected $underline;
 
        protected $overline;
 
        protected $CurrentFont;
 
        protected $FontSizePt;
 
        protected $FontSize;
 
        protected $DrawColor;
 
        protected $FillColor;
 
        protected $TextColor;
 
        protected $ColorFlag;
 
        protected $AutoPageBreak;
 
        protected $PageBreakTrigger;
 
        protected $InHeader = false;
 
        protected $InFooter = false;
 
        protected $ZoomMode;
 
        protected $LayoutMode;
 
        protected $docinfounicode = true;
 
        protected $title = '';
 
        protected $subject = '';
 
        protected $author = '';
 
        protected $keywords = '';
 
        protected $creator = '';
 
        protected $starting_page_number = 1;
 
        protected $img_rb_x;
 
        protected $img_rb_y;
 
        protected $imgscale = 1;
 
        protected $isunicode = false;
 
        protected $PDFVersion = '1.7';
 
        protected $header_xobjid = false;
 
        protected $header_xobj_autoreset = false;
 
        protected $header_margin;
 
        protected $footer_margin;
 
        protected $original_lMargin;
 
        protected $original_rMargin;
 
        protected $header_font;
 
        protected $footer_font;
 
        protected $l;
 
        protected $barcode = false;
 
        protected $print_header = true;
 
        protected $print_footer = true;
 
        protected $header_logo = '';
 
        protected $header_logo_width = 30;
 
        protected $header_title = '';
 
        protected $header_string = '';
 
        protected $header_text_color = array(0,0,0);
 
        protected $header_line_color = array(0,0,0);
 
        protected $footer_text_color = array(0,0,0);
 
        protected $footer_line_color = array(0,0,0);
 
        protected $txtshadow = array('enabled'=>false, 'depth_w'=>0, 'depth_h'=>0, 'color'=>false, 'opacity'=>1, 'blend_mode'=>'Normal');
 
        protected $default_table_columns = 4;
 
        // variables for html parser
 
        protected $HREF = array();
 
        protected $fontlist = array();
 
        protected $fgcolor;
 
        protected $listordered = array();
 
        protected $listcount = array();
 
        protected $listnum = 0;
 
        protected $listindent = 0;
 
        protected $listindentlevel = 0;
 
        protected $bgcolor;
 
        protected $tempfontsize = 10;
 
        protected $lispacer = '';
 
        protected $encoding = 'UTF-8';
 
        protected $internal_encoding;
 
        protected $rtl = false;
 
        protected $tmprtl = false;
 
        // --- Variables used for document encryption:
 
        protected $encrypted;
 
        protected $encryptdata = array();
 
        protected $last_enc_key;
 
        protected $last_enc_key_c;
 
        protected $file_id;
 
        // --- bookmark ---
 
        protected $outlines = array();
 
        protected $OutlineRoot;
 
        // --- javascript and form ---
 
        protected $javascript = '';
 
        protected $n_js;
 
        protected $linethrough;
 
        protected $ur = array();
 
        protected $dpi = 72;
 
        protected $newpagegroup = array();
 
        protected $pagegroups = array();
 
        protected $currpagegroup = 0;
 
        protected $extgstates;
 
        protected $jpeg_quality;
 
        protected $cell_height_ratio = K_CELL_HEIGHT_RATIO;
 
        protected $viewer_preferences;
 
        protected $PageMode;
 
        protected $gradients = array();
 
        protected $intmrk = array();
 
        protected $bordermrk = array();
 
        protected $emptypagemrk = array();
 
        protected $cntmrk = array();
 
        protected $footerpos = array();
 
        protected $footerlen = array();
 
        protected $newline = true;
 
        protected $endlinex = 0;
 
        protected $linestyleWidth = '';
 
        protected $linestyleCap = '0 J';
 
        protected $linestyleJoin = '0 j';
 
        protected $linestyleDash = '[] 0 d';
 
        protected $openMarkedContent = false;
 
        protected $htmlvspace = 0;
 
        protected $spot_colors = array();
 
        protected $lisymbol = '';
 
        protected $epsmarker = 'x#!#EPS#!#x';
 
        protected $transfmatrix = array();
 
        protected $transfmatrix_key = 0;
 
        protected $booklet = false;
 
        protected $feps = 0.005;
 
        protected $tagvspaces = array();
 
        protected $customlistindent = -1;
 
        protected $opencell = true;
 
        protected $embeddedfiles = array();
 
        protected $premode = false;
 
        protected $transfmrk = array();
 
        protected $htmlLinkColorArray = array(0, 0, 255);
 
        protected $htmlLinkFontStyle = 'U';
 
        protected $numpages = 0;
 
        protected $pagelen = array();
 
        protected $numimages = 0;
 
        protected $imagekeys = array();
 
        protected $bufferlen = 0;
 
        protected $numfonts = 0;
 
        protected $fontkeys = array();
 
        protected $font_obj_ids = array();
 
        protected $pageopen = array();
 
        protected $default_monospaced_font = 'courier';
 
        protected $objcopy;
 
        protected $cache_file_length = array();
 
        protected $thead = '';
 
        protected $theadMargins = array();
 
        protected $sign = false;
 
        protected $signature_data = array();
 
        protected $signature_max_length = 11742;
 
        protected $signature_appearance = array('page' => 1, 'rect' => '0 0 0 0');
 
        protected $empty_signature_appearance = array();
 
        protected $tsa_timestamp = false;
 
        protected $tsa_data = array();
 
        protected $re_spaces = '/[^\S\xa0]/';
 
        protected $re_space = array('p' => '[^\S\xa0]', 'm' => '');
 
        protected $sig_obj_id = 0;
 
        protected $page_obj_id = array();
 
        protected $form_obj_id = array();
 
        protected $default_form_prop = array('lineWidth'=>1, 'borderStyle'=>'solid', 'fillColor'=>array(255, 255, 255), 'strokeColor'=>array(128, 128, 128));
 
        protected $js_objects = array();
 
        protected $form_action = '';
 
        protected $form_enctype = 'application/x-www-form-urlencoded';
 
        protected $form_mode = 'post';
 
        protected $annotation_fonts = array();
 
        protected $radiobutton_groups = array();
 
        protected $radio_groups = array();
 
        protected $textindent = 0;
 
        protected $start_transaction_page = 0;
 
        protected $start_transaction_y = 0;
 
        protected $inthead = false;
 
        protected $columns = array();
 
        protected $num_columns = 1;
 
        protected $current_column = 0;
 
        protected $column_start_page = 0;
 
        protected $maxselcol = array('page' => 0, 'column' => 0);
 
        protected $colxshift = array('x' => 0, 's' => array('H' => 0, 'V' => 0), 'p' => array('L' => 0, 'T' => 0, 'R' => 0, 'B' => 0));
 
        protected $textrendermode = 0;
 
        protected $textstrokewidth = 0;
 
        protected $strokecolor;
 
        protected $pdfunit = 'mm';
 
        protected $tocpage = false;
 
        protected $rasterize_vector_images = false;
 
        protected $font_subsetting = true;
 
        protected $default_graphic_vars = array();
 
        protected $xobjects = array();
 
        protected $inxobj = false;
 
        protected $xobjid = '';
 
        protected $font_stretching = 100;
 
        protected $font_spacing = 0;
 
        protected $page_regions = array();
 
        protected $check_page_regions = true;
 
        protected $pdflayers = array();
 
        protected $dests = array();
 
        protected $n_dests;
 
        protected $efnames = array();
 
        protected $svgdir = '';
 
        protected $svgunit = 'px';
 
        protected $svggradients = array();
 
        protected $svggradientid = 0;
 
        protected $svgdefsmode = false;
 
        protected $svgdefs = array();
 
        protected $svgclipmode = false;
 
        protected $svgclippaths = array();
 
        protected $svgcliptm = array();
 
        protected $svgclipid = 0;
 
        protected $svgtext = '';
 
        protected $svgtextmode = array();
 
        protected $svgstyles = array(array(
                'alignment-baseline' => 'auto',
                'baseline-shift' => 'baseline',
                'clip' => 'auto',
                'clip-path' => 'none',
                'clip-rule' => 'nonzero',
                'color' => 'black',
                'color-interpolation' => 'sRGB',
                'color-interpolation-filters' => 'linearRGB',
                'color-profile' => 'auto',
                'color-rendering' => 'auto',
                'cursor' => 'auto',
                'direction' => 'ltr',
                'display' => 'inline',
                'dominant-baseline' => 'auto',
                'enable-background' => 'accumulate',
                'fill' => 'black',
                'fill-opacity' => 1,
                'fill-rule' => 'nonzero',
                'filter' => 'none',
                'flood-color' => 'black',
                'flood-opacity' => 1,
                'font' => '',
                'font-family' => 'helvetica',
                'font-size' => 'medium',
                'font-size-adjust' => 'none',
                'font-stretch' => 'normal',
                'font-style' => 'normal',
                'font-variant' => 'normal',
                'font-weight' => 'normal',
                'glyph-orientation-horizontal' => '0deg',
                'glyph-orientation-vertical' => 'auto',
                'image-rendering' => 'auto',
                'kerning' => 'auto',
                'letter-spacing' => 'normal',
                'lighting-color' => 'white',
                'marker' => '',
                'marker-end' => 'none',
                'marker-mid' => 'none',
                'marker-start' => 'none',
                'mask' => 'none',
                'opacity' => 1,
                'overflow' => 'auto',
                'pointer-events' => 'visiblePainted',
                'shape-rendering' => 'auto',
                'stop-color' => 'black',
                'stop-opacity' => 1,
                'stroke' => 'none',
                'stroke-dasharray' => 'none',
                'stroke-dashoffset' => 0,
                'stroke-linecap' => 'butt',
                'stroke-linejoin' => 'miter',
                'stroke-miterlimit' => 4,
                'stroke-opacity' => 1,
                'stroke-width' => 1,
                'text-anchor' => 'start',
                'text-decoration' => 'none',
                'text-rendering' => 'auto',
                'unicode-bidi' => 'normal',
                'visibility' => 'visible',
                'word-spacing' => 'normal',
                'writing-mode' => 'lr-tb',
                'text-color' => 'black',
                'transfmatrix' => array(1, 0, 0, 1, 0, 0)
                ));
 
        protected $force_srgb = false;
 
        protected $pdfa_mode = false;
 
        protected $doc_creation_timestamp;
 
        protected $doc_modification_timestamp;
 
        protected $custom_xmp = '';
 
        protected $overprint = array('OP' => false, 'op' => false, 'OPM' => 0);
 
        protected $alpha = array('CA' => 1, 'ca' => 1, 'BM' => '/Normal', 'AIS' => false);
 
        protected $page_boxes = array('MediaBox', 'CropBox', 'BleedBox', 'TrimBox', 'ArtBox');
 
        protected $tcpdflink = true;
 
        protected $gdgammacache = array();
 
        //------------------------------------------------------------
        // METHODS
        //------------------------------------------------------------
 
        public function __construct($orientation='P', $unit='mm', $format='A4', $unicode=true, $encoding='UTF-8', $diskcache=false, $pdfa=false) {
                /* Set internal character encoding to ASCII */
                if (function_exists('mb_internal_encoding') AND mb_internal_encoding()) {
                        $this->internal_encoding = mb_internal_encoding();
                        mb_internal_encoding('ASCII');
                }
                // set file ID for trailer
                $serformat = (is_array($format) ? json_encode($format) : $format);
                $this->file_id = md5(TCPDF_STATIC::getRandomSeed('TCPDF'.$orientation.$unit.$serformat.$encoding));
                $this->font_obj_ids = array();
                $this->page_obj_id = array();
                $this->form_obj_id = array();
                // set pdf/a mode
                $this->pdfa_mode = $pdfa;
                $this->force_srgb = false;
                // set language direction
                $this->rtl = false;
                $this->tmprtl = false;
                // some checks
                $this->_dochecks();
                // initialization of properties
                $this->isunicode = $unicode;
                $this->page = 0;
                $this->transfmrk[0] = array();
                $this->pagedim = array();
                $this->n = 2;
                $this->buffer = '';
                $this->pages = array();
                $this->state = 0;
                $this->fonts = array();
                $this->FontFiles = array();
                $this->diffs = array();
                $this->images = array();
                $this->links = array();
                $this->gradients = array();
                $this->InFooter = false;
                $this->lasth = 0;
                $this->FontFamily = defined('PDF_FONT_NAME_MAIN')?PDF_FONT_NAME_MAIN:'helvetica';
                $this->FontStyle = '';
                $this->FontSizePt = 12;
                $this->underline = false;
                $this->overline = false;
                $this->linethrough = false;
                $this->DrawColor = '0 G';
                $this->FillColor = '0 g';
                $this->TextColor = '0 g';
                $this->ColorFlag = false;
                $this->pdflayers = array();
                // encryption values
                $this->encrypted = false;
                $this->last_enc_key = '';
                // standard Unicode fonts
                $this->CoreFonts = array(
                        'courier'=>'Courier',
                        'courierB'=>'Courier-Bold',
                        'courierI'=>'Courier-Oblique',
                        'courierBI'=>'Courier-BoldOblique',
                        'helvetica'=>'Helvetica',
                        'helveticaB'=>'Helvetica-Bold',
                        'helveticaI'=>'Helvetica-Oblique',
                        'helveticaBI'=>'Helvetica-BoldOblique',
                        'times'=>'Times-Roman',
                        'timesB'=>'Times-Bold',
                        'timesI'=>'Times-Italic',
                        'timesBI'=>'Times-BoldItalic',
                        'symbol'=>'Symbol',
                        'zapfdingbats'=>'ZapfDingbats'
                );
                // set scale factor
                $this->setPageUnit($unit);
                // set page format and orientation
                $this->setPageFormat($format, $orientation);
                // page margins (1 cm)
                $margin = 28.35 / $this->k;
                $this->SetMargins($margin, $margin);
                $this->clMargin = $this->lMargin;
                $this->crMargin = $this->rMargin;
                // internal cell padding
                $cpadding = $margin / 10;
                $this->setCellPaddings($cpadding, 0, $cpadding, 0);
                // cell margins
                $this->setCellMargins(0, 0, 0, 0);
                // line width (0.2 mm)
                $this->LineWidth = 0.57 / $this->k;
                $this->linestyleWidth = sprintf('%F w', ($this->LineWidth * $this->k));
                $this->linestyleCap = '0 J';
                $this->linestyleJoin = '0 j';
                $this->linestyleDash = '[] 0 d';
                // automatic page break
                $this->SetAutoPageBreak(true, (2 * $margin));
                // full width display mode
                $this->SetDisplayMode('fullwidth');
                // compression
                $this->SetCompression();
                // set default PDF version number
                $this->setPDFVersion();
                $this->tcpdflink = true;
                $this->encoding = $encoding;
                $this->HREF = array();
                $this->getFontsList();
                $this->fgcolor = array('R' => 0, 'G' => 0, 'B' => 0);
                $this->strokecolor = array('R' => 0, 'G' => 0, 'B' => 0);
                $this->bgcolor = array('R' => 255, 'G' => 255, 'B' => 255);
                $this->extgstates = array();
                $this->setTextShadow();
                // signature
                $this->sign = false;
                $this->tsa_timestamp = false;
                $this->tsa_data = array();
                $this->signature_appearance = array('page' => 1, 'rect' => '0 0 0 0', 'name' => 'Signature');
                $this->empty_signature_appearance = array();
                // user's rights
                $this->ur['enabled'] = false;
                $this->ur['document'] = '/FullSave';
                $this->ur['annots'] = '/Create/Delete/Modify/Copy/Import/Export';
                $this->ur['form'] = '/Add/Delete/FillIn/Import/Export/SubmitStandalone/SpawnTemplate';
                $this->ur['signature'] = '/Modify';
                $this->ur['ef'] = '/Create/Delete/Modify/Import';
                $this->ur['formex'] = '';
                // set default JPEG quality
                $this->jpeg_quality = 75;
                // initialize some settings
                TCPDF_FONTS::utf8Bidi(array(''), '', false, $this->isunicode, $this->CurrentFont);
                // set default font
                $this->SetFont($this->FontFamily, $this->FontStyle, $this->FontSizePt);
                $this->setHeaderFont(array($this->FontFamily, $this->FontStyle, $this->FontSizePt));
                $this->setFooterFont(array($this->FontFamily, $this->FontStyle, $this->FontSizePt));
                // check if PCRE Unicode support is enabled
                if ($this->isunicode AND (@preg_match('/\pL/u', 'a') == 1)) {
                        // PCRE unicode support is turned ON
                        // \s     : any whitespace character
                        // \p{Z}  : any separator
                        // \p{Lo} : Unicode letter or ideograph that does not have lowercase and uppercase variants. Is used to chunk chinese words.
                        // \xa0   : Unicode Character 'NO-BREAK SPACE' (U+00A0)
                        //$this->setSpacesRE('/(?!\xa0)[\s\p{Z}\p{Lo}]/u');
                        $this->setSpacesRE('/(?!\xa0)[\s\p{Z}]/u');
                } else {
                        // PCRE unicode support is turned OFF
                        $this->setSpacesRE('/[^\S\xa0]/');
                }
                $this->default_form_prop = array('lineWidth'=>1, 'borderStyle'=>'solid', 'fillColor'=>array(255, 255, 255), 'strokeColor'=>array(128, 128, 128));
                // set document creation and modification timestamp
                $this->doc_creation_timestamp = time();
                $this->doc_modification_timestamp = $this->doc_creation_timestamp;
                // get default graphic vars
                $this->default_graphic_vars = $this->getGraphicVars();
                $this->header_xobj_autoreset = false;
                $this->custom_xmp = '';
                // Call cleanup method after script execution finishes or exit() is called.
                // NOTE: This will not be executed if the process is killed with a SIGTERM or SIGKILL signal.
                register_shutdown_function(array($this, '_destroy'), true);
        }
 
        public function __destruct() {
                // restore internal encoding
                if (isset($this->internal_encoding) AND !empty($this->internal_encoding)) {
                        mb_internal_encoding($this->internal_encoding);
                }
                // cleanup
                $this->_destroy(true);
        }
 
        public function setPageUnit($unit) {
                $unit = strtolower($unit);
                //Set scale factor
                switch ($unit) {
                        // points
                        case 'px':
                        case 'pt': {
                                $this->k = 1;
                                break;
                        }
                        // millimeters
                        case 'mm': {
                                $this->k = $this->dpi / 25.4;
                                break;
                        }
                        // centimeters
                        case 'cm': {
                                $this->k = $this->dpi / 2.54;
                                break;
                        }
                        // inches
                        case 'in': {
                                $this->k = $this->dpi;
                                break;
                        }
                        // unsupported unit
                        default : {
                                $this->Error('Incorrect unit: '.$unit);
                                break;
                        }
                }
                $this->pdfunit = $unit;
                if (isset($this->CurOrientation)) {
                        $this->setPageOrientation($this->CurOrientation);
                }
        }
 
        protected function setPageFormat($format, $orientation='P') {
                if (!empty($format) AND isset($this->pagedim[$this->page])) {
                        // remove inherited values
                        unset($this->pagedim[$this->page]);
                }
                if (is_string($format)) {
                        // get page measures from format name
                        $pf = TCPDF_STATIC::getPageSizeFromFormat($format);
                        $this->fwPt = $pf[0];
                        $this->fhPt = $pf[1];
                } else {
                        // the boundaries of the physical medium on which the page shall be displayed or printed
                        if (isset($format['MediaBox'])) {
                                $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'MediaBox', $format['MediaBox']['llx'], $format['MediaBox']['lly'], $format['MediaBox']['urx'], $format['MediaBox']['ury'], false, $this->k, $this->pagedim);
                                $this->fwPt = (($format['MediaBox']['urx'] - $format['MediaBox']['llx']) * $this->k);
                                $this->fhPt = (($format['MediaBox']['ury'] - $format['MediaBox']['lly']) * $this->k);
                        } else {
                                if (isset($format[0]) AND is_numeric($format[0]) AND isset($format[1]) AND is_numeric($format[1])) {
                                        $pf = array(($format[0] * $this->k), ($format[1] * $this->k));
                                } else {
                                        if (!isset($format['format'])) {
                                                // default value
                                                $format['format'] = 'A4';
                                        }
                                        $pf = TCPDF_STATIC::getPageSizeFromFormat($format['format']);
                                }
                                $this->fwPt = $pf[0];
                                $this->fhPt = $pf[1];
                                $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'MediaBox', 0, 0, $this->fwPt, $this->fhPt, true, $this->k, $this->pagedim);
                        }
                        // the visible region of default user space
                        if (isset($format['CropBox'])) {
                                $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'CropBox', $format['CropBox']['llx'], $format['CropBox']['lly'], $format['CropBox']['urx'], $format['CropBox']['ury'], false, $this->k, $this->pagedim);
                        }
                        // the region to which the contents of the page shall be clipped when output in a production environment
                        if (isset($format['BleedBox'])) {
                                $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'BleedBox', $format['BleedBox']['llx'], $format['BleedBox']['lly'], $format['BleedBox']['urx'], $format['BleedBox']['ury'], false, $this->k, $this->pagedim);
                        }
                        // the intended dimensions of the finished page after trimming
                        if (isset($format['TrimBox'])) {
                                $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'TrimBox', $format['TrimBox']['llx'], $format['TrimBox']['lly'], $format['TrimBox']['urx'], $format['TrimBox']['ury'], false, $this->k, $this->pagedim);
                        }
                        // the page's meaningful content (including potential white space)
                        if (isset($format['ArtBox'])) {
                                $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'ArtBox', $format['ArtBox']['llx'], $format['ArtBox']['lly'], $format['ArtBox']['urx'], $format['ArtBox']['ury'], false, $this->k, $this->pagedim);
                        }
                        // specify the colours and other visual characteristics that should be used in displaying guidelines on the screen for the various page boundaries
                        if (isset($format['BoxColorInfo'])) {
                                $this->pagedim[$this->page]['BoxColorInfo'] = $format['BoxColorInfo'];
                        }
                        if (isset($format['Rotate']) AND (($format['Rotate'] % 90) == 0)) {
                                // The number of degrees by which the page shall be rotated clockwise when displayed or printed. The value shall be a multiple of 90.
                                $this->pagedim[$this->page]['Rotate'] = intval($format['Rotate']);
                        }
                        if (isset($format['PZ'])) {
                                // The page's preferred zoom (magnification) factor
                                $this->pagedim[$this->page]['PZ'] = floatval($format['PZ']);
                        }
                        if (isset($format['trans'])) {
                                // The style and duration of the visual transition to use when moving from another page to the given page during a presentation
                                if (isset($format['trans']['Dur'])) {
                                        // The page's display duration
                                        $this->pagedim[$this->page]['trans']['Dur'] = floatval($format['trans']['Dur']);
                                }
                                $stansition_styles = array('Split', 'Blinds', 'Box', 'Wipe', 'Dissolve', 'Glitter', 'R', 'Fly', 'Push', 'Cover', 'Uncover', 'Fade');
                                if (isset($format['trans']['S']) AND in_array($format['trans']['S'], $stansition_styles)) {
                                        // The transition style that shall be used when moving to this page from another during a presentation
                                        $this->pagedim[$this->page]['trans']['S'] = $format['trans']['S'];
                                        $valid_effect = array('Split', 'Blinds');
                                        $valid_vals = array('H', 'V');
                                        if (isset($format['trans']['Dm']) AND in_array($format['trans']['S'], $valid_effect) AND in_array($format['trans']['Dm'], $valid_vals)) {
                                                $this->pagedim[$this->page]['trans']['Dm'] = $format['trans']['Dm'];
                                        }
                                        $valid_effect = array('Split', 'Box', 'Fly');
                                        $valid_vals = array('I', 'O');
                                        if (isset($format['trans']['M']) AND in_array($format['trans']['S'], $valid_effect) AND in_array($format['trans']['M'], $valid_vals)) {
                                                $this->pagedim[$this->page]['trans']['M'] = $format['trans']['M'];
                                        }
                                        $valid_effect = array('Wipe', 'Glitter', 'Fly', 'Cover', 'Uncover', 'Push');
                                        if (isset($format['trans']['Di']) AND in_array($format['trans']['S'], $valid_effect)) {
                                                if (((($format['trans']['Di'] == 90) OR ($format['trans']['Di'] == 180)) AND ($format['trans']['S'] == 'Wipe'))
                                                        OR (($format['trans']['Di'] == 315) AND ($format['trans']['S'] == 'Glitter'))
                                                        OR (($format['trans']['Di'] == 0) OR ($format['trans']['Di'] == 270))) {
                                                        $this->pagedim[$this->page]['trans']['Di'] = intval($format['trans']['Di']);
                                                }
                                        }
                                        if (isset($format['trans']['SS']) AND ($format['trans']['S'] == 'Fly')) {
                                                $this->pagedim[$this->page]['trans']['SS'] = floatval($format['trans']['SS']);
                                        }
                                        if (isset($format['trans']['B']) AND ($format['trans']['B'] === true) AND ($format['trans']['S'] == 'Fly')) {
                                                $this->pagedim[$this->page]['trans']['B'] = 'true';
                                        }
                                } else {
                                        $this->pagedim[$this->page]['trans']['S'] = 'R';
                                }
                                if (isset($format['trans']['D'])) {
                                        // The duration of the transition effect, in seconds
                                        $this->pagedim[$this->page]['trans']['D'] = floatval($format['trans']['D']);
                                } else {
                                        $this->pagedim[$this->page]['trans']['D'] = 1;
                                }
                        }
                }
                $this->setPageOrientation($orientation);
        }
 
        public function setPageOrientation($orientation, $autopagebreak='', $bottommargin='') {
                if (!isset($this->pagedim[$this->page]['MediaBox'])) {
                        // the boundaries of the physical medium on which the page shall be displayed or printed
                        $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'MediaBox', 0, 0, $this->fwPt, $this->fhPt, true, $this->k, $this->pagedim);
                }
                if (!isset($this->pagedim[$this->page]['CropBox'])) {
                        // the visible region of default user space
                        $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'CropBox', $this->pagedim[$this->page]['MediaBox']['llx'], $this->pagedim[$this->page]['MediaBox']['lly'], $this->pagedim[$this->page]['MediaBox']['urx'], $this->pagedim[$this->page]['MediaBox']['ury'], true, $this->k, $this->pagedim);
                }
                if (!isset($this->pagedim[$this->page]['BleedBox'])) {
                        // the region to which the contents of the page shall be clipped when output in a production environment
                        $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'BleedBox', $this->pagedim[$this->page]['CropBox']['llx'], $this->pagedim[$this->page]['CropBox']['lly'], $this->pagedim[$this->page]['CropBox']['urx'], $this->pagedim[$this->page]['CropBox']['ury'], true, $this->k, $this->pagedim);
                }
                if (!isset($this->pagedim[$this->page]['TrimBox'])) {
                        // the intended dimensions of the finished page after trimming
                        $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'TrimBox', $this->pagedim[$this->page]['CropBox']['llx'], $this->pagedim[$this->page]['CropBox']['lly'], $this->pagedim[$this->page]['CropBox']['urx'], $this->pagedim[$this->page]['CropBox']['ury'], true, $this->k, $this->pagedim);
                }
                if (!isset($this->pagedim[$this->page]['ArtBox'])) {
                        // the page's meaningful content (including potential white space)
                        $this->pagedim = TCPDF_STATIC::setPageBoxes($this->page, 'ArtBox', $this->pagedim[$this->page]['CropBox']['llx'], $this->pagedim[$this->page]['CropBox']['lly'], $this->pagedim[$this->page]['CropBox']['urx'], $this->pagedim[$this->page]['CropBox']['ury'], true, $this->k, $this->pagedim);
                }
                if (!isset($this->pagedim[$this->page]['Rotate'])) {
                        // The number of degrees by which the page shall be rotated clockwise when displayed or printed. The value shall be a multiple of 90.
                        $this->pagedim[$this->page]['Rotate'] = 0;
                }
                if (!isset($this->pagedim[$this->page]['PZ'])) {
                        // The page's preferred zoom (magnification) factor
                        $this->pagedim[$this->page]['PZ'] = 1;
                }
                if ($this->fwPt > $this->fhPt) {
                        // landscape
                        $default_orientation = 'L';
                } else {
                        // portrait
                        $default_orientation = 'P';
                }
                $valid_orientations = array('P', 'L');
                if (empty($orientation)) {
                        $orientation = $default_orientation;
                } else {
                        $orientation = strtoupper($orientation[0]);
                }
                if (in_array($orientation, $valid_orientations) AND ($orientation != $default_orientation)) {
                        $this->CurOrientation = $orientation;
                        $this->wPt = $this->fhPt;
                        $this->hPt = $this->fwPt;
                } else {
                        $this->CurOrientation = $default_orientation;
                        $this->wPt = $this->fwPt;
                        $this->hPt = $this->fhPt;
                }
                if ((abs($this->pagedim[$this->page]['MediaBox']['urx'] - $this->hPt) < $this->feps) AND (abs($this->pagedim[$this->page]['MediaBox']['ury'] - $this->wPt) < $this->feps)){
                        // swap X and Y coordinates (change page orientation)
                        $this->pagedim = TCPDF_STATIC::swapPageBoxCoordinates($this->page, $this->pagedim);
                }
                $this->w = ($this->wPt / $this->k);
                $this->h = ($this->hPt / $this->k);
                if (TCPDF_STATIC::empty_string($autopagebreak)) {
                        if (isset($this->AutoPageBreak)) {
                                $autopagebreak = $this->AutoPageBreak;
                        } else {
                                $autopagebreak = true;
                        }
                }
                if (TCPDF_STATIC::empty_string($bottommargin)) {
                        if (isset($this->bMargin)) {
                                $bottommargin = $this->bMargin;
                        } else {
                                // default value = 2 cm
                                $bottommargin = 2 * 28.35 / $this->k;
                        }
                }
                $this->SetAutoPageBreak($autopagebreak, $bottommargin);
                // store page dimensions
                $this->pagedim[$this->page]['w'] = $this->wPt;
                $this->pagedim[$this->page]['h'] = $this->hPt;
                $this->pagedim[$this->page]['wk'] = $this->w;
                $this->pagedim[$this->page]['hk'] = $this->h;
                $this->pagedim[$this->page]['tm'] = $this->tMargin;
                $this->pagedim[$this->page]['bm'] = $bottommargin;
                $this->pagedim[$this->page]['lm'] = $this->lMargin;
                $this->pagedim[$this->page]['rm'] = $this->rMargin;
                $this->pagedim[$this->page]['pb'] = $autopagebreak;
                $this->pagedim[$this->page]['or'] = $this->CurOrientation;
                $this->pagedim[$this->page]['olm'] = $this->original_lMargin;
                $this->pagedim[$this->page]['orm'] = $this->original_rMargin;
        }
 
        public function setSpacesRE($re='/[^\S\xa0]/') {
                $this->re_spaces = $re;
                $re_parts = explode('/', $re);
                // get pattern parts
                $this->re_space = array();
                if (isset($re_parts[1]) AND !empty($re_parts[1])) {
                        $this->re_space['p'] = $re_parts[1];
                } else {
                        $this->re_space['p'] = '[\s]';
                }
                // set pattern modifiers
                if (isset($re_parts[2]) AND !empty($re_parts[2])) {
                        $this->re_space['m'] = $re_parts[2];
                } else {
                        $this->re_space['m'] = '';
                }
        }
 
        public function setRTL($enable, $resetx=true) {
                $enable = $enable ? true : false;
                $resetx = ($resetx AND ($enable != $this->rtl));
                $this->rtl = $enable;
                $this->tmprtl = false;
                if ($resetx) {
                        $this->Ln(0);
                }
        }
 
        public function getRTL() {
                return $this->rtl;
        }
 
        public function setTempRTL($mode) {
                $newmode = false;
                switch (strtoupper($mode)) {
                        case 'LTR':
                        case 'L': {
                                if ($this->rtl) {
                                        $newmode = 'L';
                                }
                                break;
                        }
                        case 'RTL':
                        case 'R': {
                                if (!$this->rtl) {
                                        $newmode = 'R';
                                }
                                break;
                        }
                        case false:
                        default: {
                                $newmode = false;
                                break;
                        }
                }
                $this->tmprtl = $newmode;
        }
 
        public function isRTLTextDir() {
                return ($this->rtl OR ($this->tmprtl == 'R'));
        }
 
        public function setLastH($h) {
                $this->lasth = $h;
        }
 
        public function getCellHeight($fontsize, $padding=TRUE) {
                $height = ($fontsize * $this->cell_height_ratio);
                if ($padding) {
                        $height += ($this->cell_padding['T'] + $this->cell_padding['B']);
                }
                return round($height, 6);
        }
 
        public function resetLastH() {
                $this->lasth = $this->getCellHeight($this->FontSize);
        }
 
        public function getLastH() {
                return $this->lasth;
        }
 
        public function setImageScale($scale) {
                $this->imgscale = $scale;
        }
 
        public function getImageScale() {
                return $this->imgscale;
        }
 
        public function getPageDimensions($pagenum='') {
                if (empty($pagenum)) {
                        $pagenum = $this->page;
                }
                return $this->pagedim[$pagenum];
        }
 
        public function getPageWidth($pagenum='') {
                if (empty($pagenum)) {
                        return $this->w;
                }
                return $this->pagedim[$pagenum]['w'];
        }
 
        public function getPageHeight($pagenum='') {
                if (empty($pagenum)) {
                        return $this->h;
                }
                return $this->pagedim[$pagenum]['h'];
        }
 
        public function getBreakMargin($pagenum='') {
                if (empty($pagenum)) {
                        return $this->bMargin;
                }
                return $this->pagedim[$pagenum]['bm'];
        }
 
        public function getScaleFactor() {
                return $this->k;
        }
 
        public function SetMargins($left, $top, $right=-1, $keepmargins=false) {
                //Set left, top and right margins
                $this->lMargin = $left;
                $this->tMargin = $top;
                if ($right == -1) {
                        $right = $left;
                }
                $this->rMargin = $right;
                if ($keepmargins) {
                        // overwrite original values
                        $this->original_lMargin = $this->lMargin;
                        $this->original_rMargin = $this->rMargin;
                }
        }
 
        public function SetLeftMargin($margin) {
                //Set left margin
                $this->lMargin = $margin;
                if (($this->page > 0) AND ($this->x < $margin)) {
                        $this->x = $margin;
                }
        }
 
        public function SetTopMargin($margin) {
                //Set top margin
                $this->tMargin = $margin;
                if (($this->page > 0) AND ($this->y < $margin)) {
                        $this->y = $margin;
                }
        }
 
        public function SetRightMargin($margin) {
                $this->rMargin = $margin;
                if (($this->page > 0) AND ($this->x > ($this->w - $margin))) {
                        $this->x = $this->w - $margin;
                }
        }
 
        public function SetCellPadding($pad) {
                if ($pad >= 0) {
                        $this->cell_padding['L'] = $pad;
                        $this->cell_padding['T'] = $pad;
                        $this->cell_padding['R'] = $pad;
                        $this->cell_padding['B'] = $pad;
                }
        }
 
        public function setCellPaddings($left='', $top='', $right='', $bottom='') {
                if (($left !== '') AND ($left >= 0)) {
                        $this->cell_padding['L'] = $left;
                }
                if (($top !== '') AND ($top >= 0)) {
                        $this->cell_padding['T'] = $top;
                }
                if (($right !== '') AND ($right >= 0)) {
                        $this->cell_padding['R'] = $right;
                }
                if (($bottom !== '') AND ($bottom >= 0)) {
                        $this->cell_padding['B'] = $bottom;
                }
        }
 
        public function getCellPaddings() {
                return $this->cell_padding;
        }
 
        public function setCellMargins($left='', $top='', $right='', $bottom='') {
                if (($left !== '') AND ($left >= 0)) {
                        $this->cell_margin['L'] = $left;
                }
                if (($top !== '') AND ($top >= 0)) {
                        $this->cell_margin['T'] = $top;
                }
                if (($right !== '') AND ($right >= 0)) {
                        $this->cell_margin['R'] = $right;
                }
                if (($bottom !== '') AND ($bottom >= 0)) {
                        $this->cell_margin['B'] = $bottom;
                }
        }
 
        public function getCellMargins() {
                return $this->cell_margin;
        }
 
        protected function adjustCellPadding($brd=0) {
                if (empty($brd)) {
                        return;
                }
                if (is_string($brd)) {
                        // convert string to array
                        $slen = strlen($brd);
                        $newbrd = array();
                        for ($i = 0; $i < $slen; ++$i) {
                                $newbrd[$brd[$i]] = true;
                        }
                        $brd = $newbrd;
                } elseif (($brd === 1) OR ($brd === true) OR (is_numeric($brd) AND (intval($brd) > 0))) {
                        $brd = array('LRTB' => true);
                }
                if (!is_array($brd)) {
                        return;
                }
                // store current cell padding
                $cp = $this->cell_padding;
                // select border mode
                if (isset($brd['mode'])) {
                        $mode = $brd['mode'];
                        unset($brd['mode']);
                } else {
                        $mode = 'normal';
                }
                // process borders
                foreach ($brd as $border => $style) {
                        $line_width = $this->LineWidth;
                        if (is_array($style) AND isset($style['width'])) {
                                // get border width
                                $line_width = $style['width'];
                        }
                        $adj = 0; // line width inside the cell
                        switch ($mode) {
                                case 'ext': {
                                        $adj = 0;
                                        break;
                                }
                                case 'int': {
                                        $adj = $line_width;
                                        break;
                                }
                                case 'normal':
                                default: {
                                        $adj = ($line_width / 2);
                                        break;
                                }
                        }
                        // correct internal cell padding if required to avoid overlap between text and lines
                        if ((strpos($border,'T') !== false) AND ($this->cell_padding['T'] < $adj)) {
                                $this->cell_padding['T'] = $adj;
                        }
                        if ((strpos($border,'R') !== false) AND ($this->cell_padding['R'] < $adj)) {
                                $this->cell_padding['R'] = $adj;
                        }
                        if ((strpos($border,'B') !== false) AND ($this->cell_padding['B'] < $adj)) {
                                $this->cell_padding['B'] = $adj;
                        }
                        if ((strpos($border,'L') !== false) AND ($this->cell_padding['L'] < $adj)) {
                                $this->cell_padding['L'] = $adj;
                        }
                }
                return array('T' => ($this->cell_padding['T'] - $cp['T']), 'R' => ($this->cell_padding['R'] - $cp['R']), 'B' => ($this->cell_padding['B'] - $cp['B']), 'L' => ($this->cell_padding['L'] - $cp['L']));
        }
 
        public function SetAutoPageBreak($auto, $margin=0) {
                $this->AutoPageBreak = $auto ? true : false;
                $this->bMargin = $margin;
                $this->PageBreakTrigger = $this->h - $margin;
        }
 
        public function getAutoPageBreak() {
                return $this->AutoPageBreak;
        }
 
        public function SetDisplayMode($zoom, $layout='SinglePage', $mode='UseNone') {
                if (($zoom == 'fullpage') OR ($zoom == 'fullwidth') OR ($zoom == 'real') OR ($zoom == 'default') OR (!is_string($zoom))) {
                        $this->ZoomMode = $zoom;
                } else {
                        $this->Error('Incorrect zoom display mode: '.$zoom);
                }
                $this->LayoutMode = TCPDF_STATIC::getPageLayoutMode($layout);
                $this->PageMode = TCPDF_STATIC::getPageMode($mode);
        }
 
        public function SetCompression($compress=true) {
                if (function_exists('gzcompress')) {
                        $this->compress = $compress ? true : false;
                } else {
                        $this->compress = false;
                }
        }
 
        public function setSRGBmode($mode=false) {
                $this->force_srgb = $mode ? true : false;
        }
 
        public function SetDocInfoUnicode($unicode=true) {
                $this->docinfounicode = $unicode ? true : false;
        }
 
        public function SetTitle($title) {
                $this->title = $title;
        }
 
        public function SetSubject($subject) {
                $this->subject = $subject;
        }
 
        public function SetAuthor($author) {
                $this->author = $author;
        }
 
        public function SetKeywords($keywords) {
                $this->keywords = $keywords;
        }
 
        public function SetCreator($creator) {
                $this->creator = $creator;
        }
 
        public function Error($msg) {
                // unset all class variables
                $this->_destroy(true);
                if (defined('K_TCPDF_THROW_EXCEPTION_ERROR') AND !K_TCPDF_THROW_EXCEPTION_ERROR) {
                        die('<strong>TCPDF ERROR: </strong>'.$msg);
                } else {
                        throw new Exception('TCPDF ERROR: '.$msg);
                }
        }
 
        public function Open() {
                $this->state = 1;
        }
 
        public function Close() {
                if ($this->state == 3) {
                        return;
                }
                if ($this->page == 0) {
                        $this->AddPage();
                }
                $this->endLayer();
                if ($this->tcpdflink) {
                        // save current graphic settings
                        $gvars = $this->getGraphicVars();
                        $this->setEqualColumns();
                        $this->lastpage(true);
                        $this->SetAutoPageBreak(false);
                        $this->x = 0;
                        $this->y = $this->h - (1 / $this->k);
                        $this->lMargin = 0;
                        $this->_outSaveGraphicsState();
                        $font = defined('PDF_FONT_NAME_MAIN')?PDF_FONT_NAME_MAIN:'helvetica';
                        $this->SetFont($font, '', 1);
                        $this->setTextRenderingMode(0, false, false);
                        $msg = "\x50\x6f\x77\x65\x72\x65\x64\x20\x62\x79\x20\x54\x43\x50\x44\x46\x20\x28\x77\x77\x77\x2e\x74\x63\x70\x64\x66\x2e\x6f\x72\x67\x29";
                        $lnk = "\x68\x74\x74\x70\x3a\x2f\x2f\x77\x77\x77\x2e\x74\x63\x70\x64\x66\x2e\x6f\x72\x67";
                        $this->Cell(0, 0, $msg, 0, 0, 'L', 0, $lnk, 0, false, 'D', 'B');
                        $this->_outRestoreGraphicsState();
                        // restore graphic settings
                        $this->setGraphicVars($gvars);
                }
                // close page
                $this->endPage();
                // close document
                $this->_enddoc();
                // unset all class variables (except critical ones)
                $this->_destroy(false);
        }
 
        public function setPage($pnum, $resetmargins=false) {
                if (($pnum == $this->page) AND ($this->state == 2)) {
                        return;
                }
                if (($pnum > 0) AND ($pnum <= $this->numpages)) {
                        $this->state = 2;
                        // save current graphic settings
                        //$gvars = $this->getGraphicVars();
                        $oldpage = $this->page;
                        $this->page = $pnum;
                        $this->wPt = $this->pagedim[$this->page]['w'];
                        $this->hPt = $this->pagedim[$this->page]['h'];
                        $this->w = $this->pagedim[$this->page]['wk'];
                        $this->h = $this->pagedim[$this->page]['hk'];
                        $this->tMargin = $this->pagedim[$this->page]['tm'];
                        $this->bMargin = $this->pagedim[$this->page]['bm'];
                        $this->original_lMargin = $this->pagedim[$this->page]['olm'];
                        $this->original_rMargin = $this->pagedim[$this->page]['orm'];
                        $this->AutoPageBreak = $this->pagedim[$this->page]['pb'];
                        $this->CurOrientation = $this->pagedim[$this->page]['or'];
                        $this->SetAutoPageBreak($this->AutoPageBreak, $this->bMargin);
                        // restore graphic settings
                        //$this->setGraphicVars($gvars);
                        if ($resetmargins) {
                                $this->lMargin = $this->pagedim[$this->page]['olm'];
                                $this->rMargin = $this->pagedim[$this->page]['orm'];
                                $this->SetY($this->tMargin);
                        } else {
                                // account for booklet mode
                                if ($this->pagedim[$this->page]['olm'] != $this->pagedim[$oldpage]['olm']) {
                                        $deltam = $this->pagedim[$this->page]['olm'] - $this->pagedim[$this->page]['orm'];
                                        $this->lMargin += $deltam;
                                        $this->rMargin -= $deltam;
                                }
                        }
                } else {
                        $this->Error('Wrong page number on setPage() function: '.$pnum);
                }
        }
 
        public function lastPage($resetmargins=false) {
                $this->setPage($this->getNumPages(), $resetmargins);
        }
 
        public function getPage() {
                return $this->page;
        }
 
        public function getNumPages() {
                return $this->numpages;
        }
 
        public function addTOCPage($orientation='', $format='', $keepmargins=false) {
                $this->AddPage($orientation, $format, $keepmargins, true);
        }
 
        public function endTOCPage() {
                $this->endPage(true);
        }
 
        public function AddPage($orientation='', $format='', $keepmargins=false, $tocpage=false) {
                if ($this->inxobj) {
                        // we are inside an XObject template
                        return;
                }
                if (!isset($this->original_lMargin) OR $keepmargins) {
                        $this->original_lMargin = $this->lMargin;
                }
                if (!isset($this->original_rMargin) OR $keepmargins) {
                        $this->original_rMargin = $this->rMargin;
                }
                // terminate previous page
                $this->endPage();
                // start new page
                $this->startPage($orientation, $format, $tocpage);
        }
 
        public function endPage($tocpage=false) {
                // check if page is already closed
                if (($this->page == 0) OR ($this->numpages > $this->page) OR (!$this->pageopen[$this->page])) {
                        return;
                }
                // print page footer
                $this->setFooter();
                // close page
                $this->_endpage();
                // mark page as closed
                $this->pageopen[$this->page] = false;
                if ($tocpage) {
                        $this->tocpage = false;
                }
        }
 
        public function startPage($orientation='', $format='', $tocpage=false) {
                if ($tocpage) {
                        $this->tocpage = true;
                }
                // move page numbers of documents to be attached
                if ($this->tocpage) {
                        // move reference to unexistent pages (used for page attachments)
                        // adjust outlines
                        $tmpoutlines = $this->outlines;
                        foreach ($tmpoutlines as $key => $outline) {
                                if (!$outline['f'] AND ($outline['p'] > $this->numpages)) {
                                        $this->outlines[$key]['p'] = ($outline['p'] + 1);
                                }
                        }
                        // adjust dests
                        $tmpdests = $this->dests;
                        foreach ($tmpdests as $key => $dest) {
                                if (!$dest['f'] AND ($dest['p'] > $this->numpages)) {
                                        $this->dests[$key]['p'] = ($dest['p'] + 1);
                                }
                        }
                        // adjust links
                        $tmplinks = $this->links;
                        foreach ($tmplinks as $key => $link) {
                                if (!$link['f'] AND ($link['p'] > $this->numpages)) {
                                        $this->links[$key]['p'] = ($link['p'] + 1);
                                }
                        }
                }
                if ($this->numpages > $this->page) {
                        // this page has been already added
                        $this->setPage($this->page + 1);
                        $this->SetY($this->tMargin);
                        return;
                }
                // start a new page
                if ($this->state == 0) {
                        $this->Open();
                }
                ++$this->numpages;
                $this->swapMargins($this->booklet);
                // save current graphic settings
                $gvars = $this->getGraphicVars();
                // start new page
                $this->_beginpage($orientation, $format);
                // mark page as open
                $this->pageopen[$this->page] = true;
                // restore graphic settings
                $this->setGraphicVars($gvars);
                // mark this point
                $this->setPageMark();
                // print page header
                $this->setHeader();
                // restore graphic settings
                $this->setGraphicVars($gvars);
                // mark this point
                $this->setPageMark();
                // print table header (if any)
                $this->setTableHeader();
                // set mark for empty page check
                $this->emptypagemrk[$this->page]= $this->pagelen[$this->page];
        }
 
        public function setPageMark() {
                $this->intmrk[$this->page] = $this->pagelen[$this->page];
                $this->bordermrk[$this->page] = $this->intmrk[$this->page];
                $this->setContentMark();
        }
 
        protected function setContentMark($page=0) {
                if ($page <= 0) {
                        $page = $this->page;
                }
                if (isset($this->footerlen[$page])) {
                        $this->cntmrk[$page] = $this->pagelen[$page] - $this->footerlen[$page];
                } else {
                        $this->cntmrk[$page] = $this->pagelen[$page];
                }
        }
 
        public function setHeaderData($ln='', $lw=0, $ht='', $hs='', $tc=array(0,0,0), $lc=array(0,0,0)) {
                $this->header_logo = $ln;
                $this->header_logo_width = $lw;
                $this->header_title = $ht;
                $this->header_string = $hs;
                $this->header_text_color = $tc;
                $this->header_line_color = $lc;
        }
 
        public function setFooterData($tc=array(0,0,0), $lc=array(0,0,0)) {
                $this->footer_text_color = $tc;
                $this->footer_line_color = $lc;
        }
 
        public function getHeaderData() {
                $ret = array();
                $ret['logo'] = $this->header_logo;
                $ret['logo_width'] = $this->header_logo_width;
                $ret['title'] = $this->header_title;
                $ret['string'] = $this->header_string;
                $ret['text_color'] = $this->header_text_color;
                $ret['line_color'] = $this->header_line_color;
                return $ret;
        }
 
        public function setHeaderMargin($hm=10) {
                $this->header_margin = $hm;
        }
 
        public function getHeaderMargin() {
                return $this->header_margin;
        }
 
        public function setFooterMargin($fm=10) {
                $this->footer_margin = $fm;
        }
 
        public function getFooterMargin() {
                return $this->footer_margin;
        }
        public function setPrintHeader($val=true) {
                $this->print_header = $val ? true : false;
        }
 
        public function setPrintFooter($val=true) {
                $this->print_footer = $val ? true : false;
        }
 
        public function getImageRBX() {
                return $this->img_rb_x;
        }
 
        public function getImageRBY() {
                return $this->img_rb_y;
        }
 
        public function resetHeaderTemplate() {
                $this->header_xobjid = false;
        }
 
        public function setHeaderTemplateAutoreset($val=true) {
                $this->header_xobj_autoreset = $val ? true : false;
        }
 
        public function Header() {
                if ($this->header_xobjid === false) {
                        // start a new XObject Template
                        $this->header_xobjid = $this->startTemplate($this->w, $this->tMargin);
                        $headerfont = $this->getHeaderFont();
                        $headerdata = $this->getHeaderData();
                        $this->y = $this->header_margin;
                        if ($this->rtl) {
                                $this->x = $this->w - $this->original_rMargin;
                        } else {
                                $this->x = $this->original_lMargin;
                        }
                        if (($headerdata['logo']) AND ($headerdata['logo'] != K_BLANK_IMAGE)) {
                                $imgtype = TCPDF_IMAGES::getImageFileType(K_PATH_IMAGES.$headerdata['logo']);
                                if (($imgtype == 'eps') OR ($imgtype == 'ai')) {
                                        $this->ImageEps(K_PATH_IMAGES.$headerdata['logo'], '', '', $headerdata['logo_width']);
                                } elseif ($imgtype == 'svg') {
                                        $this->ImageSVG(K_PATH_IMAGES.$headerdata['logo'], '', '', $headerdata['logo_width']);
                                } else {
                                        $this->Image(K_PATH_IMAGES.$headerdata['logo'], '', '', $headerdata['logo_width']);
                                }
                                $imgy = $this->getImageRBY();
                        } else {
                                $imgy = $this->y;
                        }
                        $cell_height = $this->getCellHeight($headerfont[2] / $this->k);
                        // set starting margin for text data cell
                        if ($this->getRTL()) {
                                $header_x = $this->original_rMargin + ($headerdata['logo_width'] * 1.1);
                        } else {
                                $header_x = $this->original_lMargin + ($headerdata['logo_width'] * 1.1);
                        }
                        $cw = $this->w - $this->original_lMargin - $this->original_rMargin - ($headerdata['logo_width'] * 1.1);
                        $this->SetTextColorArray($this->header_text_color);
                        // header title
                        $this->SetFont($headerfont[0], 'B', $headerfont[2] + 1);
                        $this->SetX($header_x);
                        $this->Cell($cw, $cell_height, $headerdata['title'], 0, 1, '', 0, '', 0);
                        // header string
                        $this->SetFont($headerfont[0], $headerfont[1], $headerfont[2]);
                        $this->SetX($header_x);
                        $this->MultiCell($cw, $cell_height, $headerdata['string'], 0, '', 0, 1, '', '', true, 0, false, true, 0, 'T', false);
                        // print an ending header line
                        $this->SetLineStyle(array('width' => 0.85 / $this->k, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => $headerdata['line_color']));
                        $this->SetY((2.835 / $this->k) + max($imgy, $this->y));
                        if ($this->rtl) {
                                $this->SetX($this->original_rMargin);
                        } else {
                                $this->SetX($this->original_lMargin);
                        }
                        $this->Cell(($this->w - $this->original_lMargin - $this->original_rMargin), 0, '', 'T', 0, 'C');
                        $this->endTemplate();
                }
                // print header template
                $x = 0;
                $dx = 0;
                if (!$this->header_xobj_autoreset AND $this->booklet AND (($this->page % 2) == 0)) {
                        // adjust margins for booklet mode
                        $dx = ($this->original_lMargin - $this->original_rMargin);
                }
                if ($this->rtl) {
                        $x = $this->w + $dx;
                } else {
                        $x = 0 + $dx;
                }
                $this->printTemplate($this->header_xobjid, $x, 0, 0, 0, '', '', false);
                if ($this->header_xobj_autoreset) {
                        // reset header xobject template at each page
                        $this->header_xobjid = false;
                }
        }
 
        public function Footer() {
                $cur_y = $this->y;
                $this->SetTextColorArray($this->footer_text_color);
                //set style for cell border
                $line_width = (0.85 / $this->k);
                $this->SetLineStyle(array('width' => $line_width, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => $this->footer_line_color));
                //print document barcode
                $barcode = $this->getBarcode();
                if (!empty($barcode)) {
                        $this->Ln($line_width);
                        $barcode_width = round(($this->w - $this->original_lMargin - $this->original_rMargin) / 3);
                        $style = array(
                                'position' => $this->rtl?'R':'L',
                                'align' => $this->rtl?'R':'L',
                                'stretch' => false,
                                'fitwidth' => true,
                                'cellfitalign' => '',
                                'border' => false,
                                'padding' => 0,
                                'fgcolor' => array(0,0,0),
                                'bgcolor' => false,
                                'text' => false
                        );
                        $this->write1DBarcode($barcode, 'C128', '', $cur_y + $line_width, '', (($this->footer_margin / 3) - $line_width), 0.3, $style, '');
                }
                $w_page = isset($this->l['w_page']) ? $this->l['w_page'].' ' : '';
                if (empty($this->pagegroups)) {
                        $pagenumtxt = $w_page.$this->getAliasNumPage().' / '.$this->getAliasNbPages();
                } else {
                        $pagenumtxt = $w_page.$this->getPageNumGroupAlias().' / '.$this->getPageGroupAlias();
                }
                $this->SetY($cur_y);
                //Print page number
                if ($this->getRTL()) {
                        $this->SetX($this->original_rMargin);
                        $this->Cell(0, 0, $pagenumtxt, 'T', 0, 'L');
                } else {
                        $this->SetX($this->original_lMargin);
                        $this->Cell(0, 0, $this->getAliasRightShift().$pagenumtxt, 'T', 0, 'R');
                }
        }
 
        protected function setHeader() {
                if (!$this->print_header OR ($this->state != 2)) {
                        return;
                }
                $this->InHeader = true;
                $this->setGraphicVars($this->default_graphic_vars);
                $temp_thead = $this->thead;
                $temp_theadMargins = $this->theadMargins;
                $lasth = $this->lasth;
                $newline = $this->newline;
                $this->_outSaveGraphicsState();
                $this->rMargin = $this->original_rMargin;
                $this->lMargin = $this->original_lMargin;
                $this->SetCellPadding(0);
                //set current position
                if ($this->rtl) {
                        $this->SetXY($this->original_rMargin, $this->header_margin);
                } else {
                        $this->SetXY($this->original_lMargin, $this->header_margin);
                }
                $this->SetFont($this->header_font[0], $this->header_font[1], $this->header_font[2]);
                $this->Header();
                //restore position
                if ($this->rtl) {
                        $this->SetXY($this->original_rMargin, $this->tMargin);
                } else {
                        $this->SetXY($this->original_lMargin, $this->tMargin);
                }
                $this->_outRestoreGraphicsState();
                $this->lasth = $lasth;
                $this->thead = $temp_thead;
                $this->theadMargins = $temp_theadMargins;
                $this->newline = $newline;
                $this->InHeader = false;
        }
 
        protected function setFooter() {
                if ($this->state != 2) {
                        return;
                }
                $this->InFooter = true;
                // save current graphic settings
                $gvars = $this->getGraphicVars();
                // mark this point
                $this->footerpos[$this->page] = $this->pagelen[$this->page];
                $this->_out("\n");
                if ($this->print_footer) {
                        $this->setGraphicVars($this->default_graphic_vars);
                        $this->current_column = 0;
                        $this->num_columns = 1;
                        $temp_thead = $this->thead;
                        $temp_theadMargins = $this->theadMargins;
                        $lasth = $this->lasth;
                        $this->_outSaveGraphicsState();
                        $this->rMargin = $this->original_rMargin;
                        $this->lMargin = $this->original_lMargin;
                        $this->SetCellPadding(0);
                        //set current position
                        $footer_y = $this->h - $this->footer_margin;
                        if ($this->rtl) {
                                $this->SetXY($this->original_rMargin, $footer_y);
                        } else {
                                $this->SetXY($this->original_lMargin, $footer_y);
                        }
                        $this->SetFont($this->footer_font[0], $this->footer_font[1], $this->footer_font[2]);
                        $this->Footer();
                        //restore position
                        if ($this->rtl) {
                                $this->SetXY($this->original_rMargin, $this->tMargin);
                        } else {
                                $this->SetXY($this->original_lMargin, $this->tMargin);
                        }
                        $this->_outRestoreGraphicsState();
                        $this->lasth = $lasth;
                        $this->thead = $temp_thead;
                        $this->theadMargins = $temp_theadMargins;
                }
                // restore graphic settings
                $this->setGraphicVars($gvars);
                $this->current_column = $gvars['current_column'];
                $this->num_columns = $gvars['num_columns'];
                // calculate footer length
                $this->footerlen[$this->page] = $this->pagelen[$this->page] - $this->footerpos[$this->page] + 1;
                $this->InFooter = false;
        }
 
        protected function inPageBody() {
                return (($this->InHeader === false) AND ($this->InFooter === false));
        }
 
        protected function setTableHeader() {
                if ($this->num_columns > 1) {
                        // multi column mode
                        return;
                }
                if (isset($this->theadMargins['top'])) {
                        // restore the original top-margin
                        $this->tMargin = $this->theadMargins['top'];
                        $this->pagedim[$this->page]['tm'] = $this->tMargin;
                        $this->y = $this->tMargin;
                }
                if (!TCPDF_STATIC::empty_string($this->thead) AND (!$this->inthead)) {
                        // set margins
                        $prev_lMargin = $this->lMargin;
                        $prev_rMargin = $this->rMargin;
                        $prev_cell_padding = $this->cell_padding;
                        $this->lMargin = $this->theadMargins['lmargin'] + ($this->pagedim[$this->page]['olm'] - $this->pagedim[$this->theadMargins['page']]['olm']);
                        $this->rMargin = $this->theadMargins['rmargin'] + ($this->pagedim[$this->page]['orm'] - $this->pagedim[$this->theadMargins['page']]['orm']);
                        $this->cell_padding = $this->theadMargins['cell_padding'];
                        if ($this->rtl) {
                                $this->x = $this->w - $this->rMargin;
                        } else {
                                $this->x = $this->lMargin;
                        }
                        // account for special "cell" mode
                        if ($this->theadMargins['cell']) {
                                if ($this->rtl) {
                                        $this->x -= $this->cell_padding['R'];
                                } else {
                                        $this->x += $this->cell_padding['L'];
                                }
                        }
                        $gvars = $this->getGraphicVars();
                        if (!empty($this->theadMargins['gvars'])) {
                                // set the correct graphic style
                                $this->setGraphicVars($this->theadMargins['gvars']);
                                $this->rMargin = $gvars['rMargin'];
                                $this->lMargin = $gvars['lMargin'];
                        }
                        // print table header
                        $this->writeHTML($this->thead, false, false, false, false, '');
                        $this->setGraphicVars($gvars);
                        // set new top margin to skip the table headers
                        if (!isset($this->theadMargins['top'])) {
                                $this->theadMargins['top'] = $this->tMargin;
                        }
                        // store end of header position
                        if (!isset($this->columns[0]['th'])) {
                                $this->columns[0]['th'] = array();
                        }
                        $this->columns[0]['th']['\''.$this->page.'\''] = $this->y;
                        $this->tMargin = $this->y;
                        $this->pagedim[$this->page]['tm'] = $this->tMargin;
                        $this->lasth = 0;
                        $this->lMargin = $prev_lMargin;
                        $this->rMargin = $prev_rMargin;
                        $this->cell_padding = $prev_cell_padding;
                }
        }
 
        public function PageNo() {
                return $this->page;
        }
 
        public function getAllSpotColors() {
                return $this->spot_colors;
        }
 
        public function AddSpotColor($name, $c, $m, $y, $k) {
                if (!isset($this->spot_colors[$name])) {
                        $i = (1 + count($this->spot_colors));
                        $this->spot_colors[$name] = array('C' => $c, 'M' => $m, 'Y' => $y, 'K' => $k, 'name' => $name, 'i' => $i);
                }
        }
 
        public function setSpotColor($type, $name, $tint=100) {
                $spotcolor = TCPDF_COLORS::getSpotColor($name, $this->spot_colors);
                if ($spotcolor === false) {
                        $this->Error('Undefined spot color: '.$name.', you must add it using the AddSpotColor() method.');
                }
                $tint = (max(0, min(100, $tint)) / 100);
                $pdfcolor = sprintf('/CS%d ', $this->spot_colors[$name]['i']);
                switch ($type) {
                        case 'draw': {
                                $pdfcolor .= sprintf('CS %F SCN', $tint);
                                $this->DrawColor = $pdfcolor;
                                $this->strokecolor = $spotcolor;
                                break;
                        }
                        case 'fill': {
                                $pdfcolor .= sprintf('cs %F scn', $tint);
                                $this->FillColor = $pdfcolor;
                                $this->bgcolor = $spotcolor;
                                break;
                        }
                        case 'text': {
                                $pdfcolor .= sprintf('cs %F scn', $tint);
                                $this->TextColor = $pdfcolor;
                                $this->fgcolor = $spotcolor;
                                break;
                        }
                }
                $this->ColorFlag = ($this->FillColor != $this->TextColor);
                if ($this->state == 2) {
                        $this->_out($pdfcolor);
                }
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $this->xobjects[$this->xobjid]['spot_colors'][$name] = $this->spot_colors[$name];
                }
                return $pdfcolor;
        }
 
        public function SetDrawSpotColor($name, $tint=100) {
                $this->setSpotColor('draw', $name, $tint);
        }
 
        public function SetFillSpotColor($name, $tint=100) {
                $this->setSpotColor('fill', $name, $tint);
        }
 
        public function SetTextSpotColor($name, $tint=100) {
                $this->setSpotColor('text', $name, $tint);
        }
 
        public function setColorArray($type, $color, $ret=false) {
                if (is_array($color)) {
                        $color = array_values($color);
                        // component: grey, RGB red or CMYK cyan
                        $c = isset($color[0]) ? $color[0] : -1;
                        // component: RGB green or CMYK magenta
                        $m = isset($color[1]) ? $color[1] : -1;
                        // component: RGB blue or CMYK yellow
                        $y = isset($color[2]) ? $color[2] : -1;
                        // component: CMYK black
                        $k = isset($color[3]) ? $color[3] : -1;
                        // color name
                        $name = isset($color[4]) ? $color[4] : '';
                        if ($c >= 0) {
                                return $this->setColor($type, $c, $m, $y, $k, $ret, $name);
                        }
                }
                return '';
        }
 
        public function SetDrawColorArray($color, $ret=false) {
                return $this->setColorArray('draw', $color, $ret);
        }
 
        public function SetFillColorArray($color, $ret=false) {
                return $this->setColorArray('fill', $color, $ret);
        }
 
        public function SetTextColorArray($color, $ret=false) {
                return $this->setColorArray('text', $color, $ret);
        }
 
        public function setColor($type, $col1=0, $col2=-1, $col3=-1, $col4=-1, $ret=false, $name='') {
                // set default values
                if (!is_numeric($col1)) {
                        $col1 = 0;
                }
                if (!is_numeric($col2)) {
                        $col2 = -1;
                }
                if (!is_numeric($col3)) {
                        $col3 = -1;
                }
                if (!is_numeric($col4)) {
                        $col4 = -1;
                }
                // set color by case
                $suffix = '';
                if (($col2 == -1) AND ($col3 == -1) AND ($col4 == -1)) {
                        // Grey scale
                        $col1 = max(0, min(255, $col1));
                        $intcolor = array('G' => $col1);
                        $pdfcolor = sprintf('%F ', ($col1 / 255));
                        $suffix = 'g';
                } elseif ($col4 == -1) {
                        // RGB
                        $col1 = max(0, min(255, $col1));
                        $col2 = max(0, min(255, $col2));
                        $col3 = max(0, min(255, $col3));
                        $intcolor = array('R' => $col1, 'G' => $col2, 'B' => $col3);
                        $pdfcolor = sprintf('%F %F %F ', ($col1 / 255), ($col2 / 255), ($col3 / 255));
                        $suffix = 'rg';
                } else {
                        $col1 = max(0, min(100, $col1));
                        $col2 = max(0, min(100, $col2));
                        $col3 = max(0, min(100, $col3));
                        $col4 = max(0, min(100, $col4));
                        if (empty($name)) {
                                // CMYK
                                $intcolor = array('C' => $col1, 'M' => $col2, 'Y' => $col3, 'K' => $col4);
                                $pdfcolor = sprintf('%F %F %F %F ', ($col1 / 100), ($col2 / 100), ($col3 / 100), ($col4 / 100));
                                $suffix = 'k';
                        } else {
                                // SPOT COLOR
                                $intcolor = array('C' => $col1, 'M' => $col2, 'Y' => $col3, 'K' => $col4, 'name' => $name);
                                $this->AddSpotColor($name, $col1, $col2, $col3, $col4);
                                $pdfcolor = $this->setSpotColor($type, $name, 100);
                        }
                }
                switch ($type) {
                        case 'draw': {
                                $pdfcolor .= strtoupper($suffix);
                                $this->DrawColor = $pdfcolor;
                                $this->strokecolor = $intcolor;
                                break;
                        }
                        case 'fill': {
                                $pdfcolor .= $suffix;
                                $this->FillColor = $pdfcolor;
                                $this->bgcolor = $intcolor;
                                break;
                        }
                        case 'text': {
                                $pdfcolor .= $suffix;
                                $this->TextColor = $pdfcolor;
                                $this->fgcolor = $intcolor;
                                break;
                        }
                }
                $this->ColorFlag = ($this->FillColor != $this->TextColor);
                if (($type != 'text') AND ($this->state == 2)) {
                        if (!$ret) {
                                $this->_out($pdfcolor);
                        }
                        return $pdfcolor;
                }
                return '';
        }
 
        public function SetDrawColor($col1=0, $col2=-1, $col3=-1, $col4=-1, $ret=false, $name='') {
                return $this->setColor('draw', $col1, $col2, $col3, $col4, $ret, $name);
        }
 
        public function SetFillColor($col1=0, $col2=-1, $col3=-1, $col4=-1, $ret=false, $name='') {
                return $this->setColor('fill', $col1, $col2, $col3, $col4, $ret, $name);
        }
 
        public function SetTextColor($col1=0, $col2=-1, $col3=-1, $col4=-1, $ret=false, $name='') {
                return $this->setColor('text', $col1, $col2, $col3, $col4, $ret, $name);
        }
 
        public function GetStringWidth($s, $fontname='', $fontstyle='', $fontsize=0, $getarray=false) {
                return $this->GetArrStringWidth(TCPDF_FONTS::utf8Bidi(TCPDF_FONTS::UTF8StringToArray($s, $this->isunicode, $this->CurrentFont), $s, $this->tmprtl, $this->isunicode, $this->CurrentFont), $fontname, $fontstyle, $fontsize, $getarray);
        }
 
        public function GetArrStringWidth($sa, $fontname='', $fontstyle='', $fontsize=0, $getarray=false) {
                // store current values
                if (!TCPDF_STATIC::empty_string($fontname)) {
                        $prev_FontFamily = $this->FontFamily;
                        $prev_FontStyle = $this->FontStyle;
                        $prev_FontSizePt = $this->FontSizePt;
                        $this->SetFont($fontname, $fontstyle, $fontsize, '', 'default', false);
                }
                // convert UTF-8 array to Latin1 if required
                if ($this->isunicode AND (!$this->isUnicodeFont())) {
                        $sa = TCPDF_FONTS::UTF8ArrToLatin1Arr($sa);
                }
                $w = 0; // total width
                $wa = array(); // array of characters widths
                foreach ($sa as $ck => $char) {
                        // character width
                        $cw = $this->GetCharWidth($char, isset($sa[($ck + 1)]));
                        $wa[] = $cw;
                        $w += $cw;
                }
                // restore previous values
                if (!TCPDF_STATIC::empty_string($fontname)) {
                        $this->SetFont($prev_FontFamily, $prev_FontStyle, $prev_FontSizePt, '', 'default', false);
                }
                if ($getarray) {
                        return $wa;
                }
                return $w;
        }
 
        public function GetCharWidth($char, $notlast=true) {
                // get raw width
                $chw = $this->getRawCharWidth($char);
                if (($this->font_spacing < 0) OR (($this->font_spacing > 0) AND $notlast)) {
                        // increase/decrease font spacing
                        $chw += $this->font_spacing;
                }
                if ($this->font_stretching != 100) {
                        // fixed stretching mode
                        $chw *= ($this->font_stretching / 100);
                }
                return $chw;
        }
 
        public function getRawCharWidth($char) {
                if ($char == 173) {
                        // SHY character will not be printed
                        return (0);
                }
                if (isset($this->CurrentFont['cw'][$char])) {
                        $w = $this->CurrentFont['cw'][$char];
                } elseif (isset($this->CurrentFont['dw'])) {
                        // default width
                        $w = $this->CurrentFont['dw'];
                } elseif (isset($this->CurrentFont['cw'][32])) {
                        // default width
                        $w = $this->CurrentFont['cw'][32];
                } else {
                        $w = 600;
                }
                return $this->getAbsFontMeasure($w);
        }
 
        public function GetNumChars($s) {
                if ($this->isUnicodeFont()) {
                        return count(TCPDF_FONTS::UTF8StringToArray($s, $this->isunicode, $this->CurrentFont));
                }
                return strlen($s);
        }
 
        protected function getFontsList() {
                if (($fontsdir = opendir(TCPDF_FONTS::_getfontpath())) !== false) {
                        while (($file = readdir($fontsdir)) !== false) {
                                if (substr($file, -4) == '.php') {
                                        array_push($this->fontlist, strtolower(basename($file, '.php')));
                                }
                        }
                        closedir($fontsdir);
                }
        }
 
        public function AddFont($family, $style='', $fontfile='', $subset='default') {
                if ($subset === 'default') {
                        $subset = $this->font_subsetting;
                }
                if ($this->pdfa_mode) {
                        $subset = false;
                }
                if (TCPDF_STATIC::empty_string($family)) {
                        if (!TCPDF_STATIC::empty_string($this->FontFamily)) {
                                $family = $this->FontFamily;
                        } else {
                                $this->Error('Empty font family');
                        }
                }
                // move embedded styles on $style
                if (substr($family, -1) == 'I') {
                        $style .= 'I';
                        $family = substr($family, 0, -1);
                }
                if (substr($family, -1) == 'B') {
                        $style .= 'B';
                        $family = substr($family, 0, -1);
                }
                // normalize family name
                $family = strtolower($family);
                if ((!$this->isunicode) AND ($family == 'arial')) {
                        $family = 'helvetica';
                }
                if (($family == 'symbol') OR ($family == 'zapfdingbats')) {
                        $style = '';
                }
                if ($this->pdfa_mode AND (isset($this->CoreFonts[$family]))) {
                        // all fonts must be embedded
                        $family = 'pdfa'.$family;
                }
                $tempstyle = strtoupper($style);
                $style = '';
                // underline
                if (strpos($tempstyle, 'U') !== false) {
                        $this->underline = true;
                } else {
                        $this->underline = false;
                }
                // line-through (deleted)
                if (strpos($tempstyle, 'D') !== false) {
                        $this->linethrough = true;
                } else {
                        $this->linethrough = false;
                }
                // overline
                if (strpos($tempstyle, 'O') !== false) {
                        $this->overline = true;
                } else {
                        $this->overline = false;
                }
                // bold
                if (strpos($tempstyle, 'B') !== false) {
                        $style .= 'B';
                }
                // oblique
                if (strpos($tempstyle, 'I') !== false) {
                        $style .= 'I';
                }
                $bistyle = $style;
                $fontkey = $family.$style;
                $font_style = $style.($this->underline ? 'U' : '').($this->linethrough ? 'D' : '').($this->overline ? 'O' : '');
                $fontdata = array('fontkey' => $fontkey, 'family' => $family, 'style' => $font_style);
                // check if the font has been already added
                $fb = $this->getFontBuffer($fontkey);
                if ($fb !== false) {
                        if ($this->inxobj) {
                                // we are inside an XObject template
                                $this->xobjects[$this->xobjid]['fonts'][$fontkey] = $fb['i'];
                        }
                        return $fontdata;
                }
                // get specified font directory (if any)
                $fontdir = false;
                if (!TCPDF_STATIC::empty_string($fontfile)) {
                        $fontdir = dirname($fontfile);
                        if (TCPDF_STATIC::empty_string($fontdir) OR ($fontdir == '.')) {
                                $fontdir = '';
                        } else {
                                $fontdir .= '/';
                        }
                }
                // true when the font style variation is missing
                $missing_style = false;
                // search and include font file
                if (TCPDF_STATIC::empty_string($fontfile) OR (!@file_exists($fontfile))) {
                        // build a standard filenames for specified font
                        $tmp_fontfile = str_replace(' ', '', $family).strtolower($style).'.php';
                        $fontfile = TCPDF_FONTS::getFontFullPath($tmp_fontfile, $fontdir);
                        if (TCPDF_STATIC::empty_string($fontfile)) {
                                $missing_style = true;
                                // try to remove the style part
                                $tmp_fontfile = str_replace(' ', '', $family).'.php';
                                $fontfile = TCPDF_FONTS::getFontFullPath($tmp_fontfile, $fontdir);
                        }
                }
                // include font file
                if (!TCPDF_STATIC::empty_string($fontfile) AND (@file_exists($fontfile))) {
                        include($fontfile);
                } else {
                        $this->Error('Could not include font definition file: '.$family.'');
                }
                // check font parameters
                if ((!isset($type)) OR (!isset($cw))) {
                        $this->Error('The font definition file has a bad format: '.$fontfile.'');
                }
                // SET default parameters
                if (!isset($file) OR TCPDF_STATIC::empty_string($file)) {
                        $file = '';
                }
                if (!isset($enc) OR TCPDF_STATIC::empty_string($enc)) {
                        $enc = '';
                }
                if (!isset($cidinfo) OR TCPDF_STATIC::empty_string($cidinfo)) {
                        $cidinfo = array('Registry'=>'Adobe', 'Ordering'=>'Identity', 'Supplement'=>0);
                        $cidinfo['uni2cid'] = array();
                }
                if (!isset($ctg) OR TCPDF_STATIC::empty_string($ctg)) {
                        $ctg = '';
                }
                if (!isset($desc) OR TCPDF_STATIC::empty_string($desc)) {
                        $desc = array();
                }
                if (!isset($up) OR TCPDF_STATIC::empty_string($up)) {
                        $up = -100;
                }
                if (!isset($ut) OR TCPDF_STATIC::empty_string($ut)) {
                        $ut = 50;
                }
                if (!isset($cw) OR TCPDF_STATIC::empty_string($cw)) {
                        $cw = array();
                }
                if (!isset($dw) OR TCPDF_STATIC::empty_string($dw)) {
                        // set default width
                        if (isset($desc['MissingWidth']) AND ($desc['MissingWidth'] > 0)) {
                                $dw = $desc['MissingWidth'];
                        } elseif (isset($cw[32])) {
                                $dw = $cw[32];
                        } else {
                                $dw = 600;
                        }
                }
                ++$this->numfonts;
                if ($type == 'core') {
                        $name = $this->CoreFonts[$fontkey];
                        $subset = false;
                } elseif (($type == 'TrueType') OR ($type == 'Type1')) {
                        $subset = false;
                } elseif ($type == 'TrueTypeUnicode') {
                        $enc = 'Identity-H';
                } elseif ($type == 'cidfont0') {
                        if ($this->pdfa_mode) {
                                $this->Error('All fonts must be embedded in PDF/A mode!');
                        }
                } else {
                        $this->Error('Unknow font type: '.$type.'');
                }
                // set name if unset
                if (!isset($name) OR empty($name)) {
                        $name = $fontkey;
                }
                // create artificial font style variations if missing (only works with non-embedded fonts)
                if (($type != 'core') AND $missing_style) {
                        // style variations
                        $styles = array('' => '', 'B' => ',Bold', 'I' => ',Italic', 'BI' => ',BoldItalic');
                        $name .= $styles[$bistyle];
                        // artificial bold
                        if (strpos($bistyle, 'B') !== false) {
                                if (isset($desc['StemV'])) {
                                        // from normal to bold
                                        $desc['StemV'] = round($desc['StemV'] * 1.75);
                                } else {
                                        // bold
                                        $desc['StemV'] = 123;
                                }
                        }
                        // artificial italic
                        if (strpos($bistyle, 'I') !== false) {
                                if (isset($desc['ItalicAngle'])) {
                                        $desc['ItalicAngle'] -= 11;
                                } else {
                                        $desc['ItalicAngle'] = -11;
                                }
                                if (isset($desc['Flags'])) {
                                        $desc['Flags'] |= 64; //bit 7
                                } else {
                                        $desc['Flags'] = 64;
                                }
                        }
                }
                // check if the array of characters bounding boxes is defined
                if (!isset($cbbox)) {
                        $cbbox = array();
                }
                // initialize subsetchars
                $subsetchars = array_fill(0, 255, true);
                $this->setFontBuffer($fontkey, array('fontkey' => $fontkey, 'i' => $this->numfonts, 'type' => $type, 'name' => $name, 'desc' => $desc, 'up' => $up, 'ut' => $ut, 'cw' => $cw, 'cbbox' => $cbbox, 'dw' => $dw, 'enc' => $enc, 'cidinfo' => $cidinfo, 'file' => $file, 'ctg' => $ctg, 'subset' => $subset, 'subsetchars' => $subsetchars));
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $this->xobjects[$this->xobjid]['fonts'][$fontkey] = $this->numfonts;
                }
                if (isset($diff) AND (!empty($diff))) {
                        //Search existing encodings
                        $d = 0;
                        $nb = count($this->diffs);
                        for ($i=1; $i <= $nb; ++$i) {
                                if ($this->diffs[$i] == $diff) {
                                        $d = $i;
                                        break;
                                }
                        }
                        if ($d == 0) {
                                $d = $nb + 1;
                                $this->diffs[$d] = $diff;
                        }
                        $this->setFontSubBuffer($fontkey, 'diff', $d);
                }
                if (!TCPDF_STATIC::empty_string($file)) {
                        if (!isset($this->FontFiles[$file])) {
                                if ((strcasecmp($type,'TrueType') == 0) OR (strcasecmp($type, 'TrueTypeUnicode') == 0)) {
                                        $this->FontFiles[$file] = array('length1' => $originalsize, 'fontdir' => $fontdir, 'subset' => $subset, 'fontkeys' => array($fontkey));
                                } elseif ($type != 'core') {
                                        $this->FontFiles[$file] = array('length1' => $size1, 'length2' => $size2, 'fontdir' => $fontdir, 'subset' => $subset, 'fontkeys' => array($fontkey));
                                }
                        } else {
                                // update fontkeys that are sharing this font file
                                $this->FontFiles[$file]['subset'] = ($this->FontFiles[$file]['subset'] AND $subset);
                                if (!in_array($fontkey, $this->FontFiles[$file]['fontkeys'])) {
                                        $this->FontFiles[$file]['fontkeys'][] = $fontkey;
                                }
                        }
                }
                return $fontdata;
        }
 
        public function SetFont($family, $style='', $size=null, $fontfile='', $subset='default', $out=true) {
                //Select a font; size given in points
                if ($size === null) {
                        $size = $this->FontSizePt;
                }
                if ($size < 0) {
                        $size = 0;
                }
                // try to add font (if not already added)
                $fontdata = $this->AddFont($family, $style, $fontfile, $subset);
                $this->FontFamily = $fontdata['family'];
                $this->FontStyle = $fontdata['style'];
                if (isset($this->CurrentFont['fontkey']) AND isset($this->CurrentFont['subsetchars'])) {
                        // save subset chars of the previous font
                        $this->setFontSubBuffer($this->CurrentFont['fontkey'], 'subsetchars', $this->CurrentFont['subsetchars']);
                }
                $this->CurrentFont = $this->getFontBuffer($fontdata['fontkey']);
                $this->SetFontSize($size, $out);
        }
 
        public function SetFontSize($size, $out=true) {
                // font size in points
                $this->FontSizePt = $size;
                // font size in user units
                $this->FontSize = $size / $this->k;
                // calculate some font metrics
                if (isset($this->CurrentFont['desc']['FontBBox'])) {
                        $bbox = explode(' ', substr($this->CurrentFont['desc']['FontBBox'], 1, -1));
                        $font_height = ((intval($bbox[3]) - intval($bbox[1])) * $size / 1000);
                } else {
                        $font_height = $size * 1.219;
                }
                if (isset($this->CurrentFont['desc']['Ascent']) AND ($this->CurrentFont['desc']['Ascent'] > 0)) {
                        $font_ascent = ($this->CurrentFont['desc']['Ascent'] * $size / 1000);
                }
                if (isset($this->CurrentFont['desc']['Descent']) AND ($this->CurrentFont['desc']['Descent'] <= 0)) {
                        $font_descent = (- $this->CurrentFont['desc']['Descent'] * $size / 1000);
                }
                if (!isset($font_ascent) AND !isset($font_descent)) {
                        // core font
                        $font_ascent = 0.76 * $font_height;
                        $font_descent = $font_height - $font_ascent;
                } elseif (!isset($font_descent)) {
                        $font_descent = $font_height - $font_ascent;
                } elseif (!isset($font_ascent)) {
                        $font_ascent = $font_height - $font_descent;
                }
                $this->FontAscent = ($font_ascent / $this->k);
                $this->FontDescent = ($font_descent / $this->k);
                if ($out AND ($this->page > 0) AND (isset($this->CurrentFont['i'])) AND ($this->state == 2)) {
                        $this->_out(sprintf('BT /F%d %F Tf ET', $this->CurrentFont['i'], $this->FontSizePt));
                }
        }
 
        public function getFontBBox() {
                $fbbox = array();
                if (isset($this->CurrentFont['desc']['FontBBox'])) {
                        $tmpbbox = explode(' ', substr($this->CurrentFont['desc']['FontBBox'], 1, -1));
                        $fbbox = array_map(array($this,'getAbsFontMeasure'), $tmpbbox);
                } else {
                        // Find max width
                        if (isset($this->CurrentFont['desc']['MaxWidth'])) {
                                $maxw = $this->getAbsFontMeasure(intval($this->CurrentFont['desc']['MaxWidth']));
                        } else {
                                $maxw = 0;
                                if (isset($this->CurrentFont['desc']['MissingWidth'])) {
                                        $maxw = max($maxw, $this->CurrentFont['desc']['MissingWidth']);
                                }
                                if (isset($this->CurrentFont['desc']['AvgWidth'])) {
                                        $maxw = max($maxw, $this->CurrentFont['desc']['AvgWidth']);
                                }
                                if (isset($this->CurrentFont['dw'])) {
                                        $maxw = max($maxw, $this->CurrentFont['dw']);
                                }
                                foreach ($this->CurrentFont['cw'] as $char => $w) {
                                        $maxw = max($maxw, $w);
                                }
                                if ($maxw == 0) {
                                        $maxw = 600;
                                }
                                $maxw = $this->getAbsFontMeasure($maxw);
                        }
                        $fbbox = array(0, (0 - $this->FontDescent), $maxw, $this->FontAscent);
                }
                return $fbbox;
        }
 
        public function getAbsFontMeasure($s) {
                return ($s * $this->FontSize / 1000);
        }
 
        public function getCharBBox($char) {
                $c = intval($char);
                if (isset($this->CurrentFont['cw'][$c])) {
                        // glyph is defined ... use zero width & height for glyphs without outlines
                        $result = array(0,0,0,0);
                        if (isset($this->CurrentFont['cbbox'][$c])) {
                                $result = $this->CurrentFont['cbbox'][$c];
                        }
                        return array_map(array($this,'getAbsFontMeasure'), $result);
                }
                return false;
        }
 
        public function getFontDescent($font, $style='', $size=0) {
                $fontdata = $this->AddFont($font, $style);
                $fontinfo = $this->getFontBuffer($fontdata['fontkey']);
                if (isset($fontinfo['desc']['Descent']) AND ($fontinfo['desc']['Descent'] <= 0)) {
                        $descent = (- $fontinfo['desc']['Descent'] * $size / 1000);
                } else {
                        $descent = (1.219 * 0.24 * $size);
                }
                return ($descent / $this->k);
        }
 
        public function getFontAscent($font, $style='', $size=0) {
                $fontdata = $this->AddFont($font, $style);
                $fontinfo = $this->getFontBuffer($fontdata['fontkey']);
                if (isset($fontinfo['desc']['Ascent']) AND ($fontinfo['desc']['Ascent'] > 0)) {
                        $ascent = ($fontinfo['desc']['Ascent'] * $size / 1000);
                } else {
                        $ascent = 1.219 * 0.76 * $size;
                }
                return ($ascent / $this->k);
        }
 
        public function isCharDefined($char, $font='', $style='') {
                if (is_string($char)) {
                        // get character code
                        $char = TCPDF_FONTS::UTF8StringToArray($char, $this->isunicode, $this->CurrentFont);
                        $char = $char[0];
                }
                if (TCPDF_STATIC::empty_string($font)) {
                        if (TCPDF_STATIC::empty_string($style)) {
                                return (isset($this->CurrentFont['cw'][intval($char)]));
                        }
                        $font = $this->FontFamily;
                }
                $fontdata = $this->AddFont($font, $style);
                $fontinfo = $this->getFontBuffer($fontdata['fontkey']);
                return (isset($fontinfo['cw'][intval($char)]));
        }
 
        public function replaceMissingChars($text, $font='', $style='', $subs=array()) {
                if (empty($subs)) {
                        return $text;
                }
                if (TCPDF_STATIC::empty_string($font)) {
                        $font = $this->FontFamily;
                }
                $fontdata = $this->AddFont($font, $style);
                $fontinfo = $this->getFontBuffer($fontdata['fontkey']);
                $uniarr = TCPDF_FONTS::UTF8StringToArray($text, $this->isunicode, $this->CurrentFont);
                foreach ($uniarr as $k => $chr) {
                        if (!isset($fontinfo['cw'][$chr])) {
                                // this character is missing on the selected font
                                if (isset($subs[$chr])) {
                                        // we have available substitutions
                                        if (is_array($subs[$chr])) {
                                                foreach($subs[$chr] as $s) {
                                                        if (isset($fontinfo['cw'][$s])) {
                                                                $uniarr[$k] = $s;
                                                                break;
                                                        }
                                                }
                                        } elseif (isset($fontinfo['cw'][$subs[$chr]])) {
                                                $uniarr[$k] = $subs[$chr];
                                        }
                                }
                        }
                }
                return TCPDF_FONTS::UniArrSubString(TCPDF_FONTS::UTF8ArrayToUniArray($uniarr, $this->isunicode));
        }
 
        public function SetDefaultMonospacedFont($font) {
                $this->default_monospaced_font = $font;
        }
 
        public function AddLink() {
                // create a new internal link
                $n = count($this->links) + 1;
                $this->links[$n] = array('p' => 0, 'y' => 0, 'f' => false);
                return $n;
        }
 
        public function SetLink($link, $y=0, $page=-1) {
                $fixed = false;
                if (!empty($page) AND ($page[0] == '*')) {
                        $page = intval(substr($page, 1));
                        // this page number will not be changed when moving/add/deleting pages
                        $fixed = true;
                }
                if ($page < 0) {
                        $page = $this->page;
                }
                if ($y == -1) {
                        $y = $this->y;
                }
                $this->links[$link] = array('p' => $page, 'y' => $y, 'f' => $fixed);
        }
 
        public function Link($x, $y, $w, $h, $link, $spaces=0) {
                $this->Annotation($x, $y, $w, $h, $link, array('Subtype'=>'Link'), $spaces);
        }
 
        public function Annotation($x, $y, $w, $h, $text, $opt=array('Subtype'=>'Text'), $spaces=0) {
                if ($this->inxobj) {
                        // store parameters for later use on template
                        $this->xobjects[$this->xobjid]['annotations'][] = array('x' => $x, 'y' => $y, 'w' => $w, 'h' => $h, 'text' => $text, 'opt' => $opt, 'spaces' => $spaces);
                        return;
                }
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                // recalculate coordinates to account for graphic transformations
                if (isset($this->transfmatrix) AND !empty($this->transfmatrix)) {
                        for ($i=$this->transfmatrix_key; $i > 0; --$i) {
                                $maxid = count($this->transfmatrix[$i]) - 1;
                                for ($j=$maxid; $j >= 0; --$j) {
                                        $ctm = $this->transfmatrix[$i][$j];
                                        if (isset($ctm['a'])) {
                                                $x = $x * $this->k;
                                                $y = ($this->h - $y) * $this->k;
                                                $w = $w * $this->k;
                                                $h = $h * $this->k;
                                                // top left
                                                $xt = $x;
                                                $yt = $y;
                                                $x1 = ($ctm['a'] * $xt) + ($ctm['c'] * $yt) + $ctm['e'];
                                                $y1 = ($ctm['b'] * $xt) + ($ctm['d'] * $yt) + $ctm['f'];
                                                // top right
                                                $xt = $x + $w;
                                                $yt = $y;
                                                $x2 = ($ctm['a'] * $xt) + ($ctm['c'] * $yt) + $ctm['e'];
                                                $y2 = ($ctm['b'] * $xt) + ($ctm['d'] * $yt) + $ctm['f'];
                                                // bottom left
                                                $xt = $x;
                                                $yt = $y - $h;
                                                $x3 = ($ctm['a'] * $xt) + ($ctm['c'] * $yt) + $ctm['e'];
                                                $y3 = ($ctm['b'] * $xt) + ($ctm['d'] * $yt) + $ctm['f'];
                                                // bottom right
                                                $xt = $x + $w;
                                                $yt = $y - $h;
                                                $x4 = ($ctm['a'] * $xt) + ($ctm['c'] * $yt) + $ctm['e'];
                                                $y4 = ($ctm['b'] * $xt) + ($ctm['d'] * $yt) + $ctm['f'];
                                                // new coordinates (rectangle area)
                                                $x = min($x1, $x2, $x3, $x4);
                                                $y = max($y1, $y2, $y3, $y4);
                                                $w = (max($x1, $x2, $x3, $x4) - $x) / $this->k;
                                                $h = ($y - min($y1, $y2, $y3, $y4)) / $this->k;
                                                $x = $x / $this->k;
                                                $y = $this->h - ($y / $this->k);
                                        }
                                }
                        }
                }
                if ($this->page <= 0) {
                        $page = 1;
                } else {
                        $page = $this->page;
                }
                if (!isset($this->PageAnnots[$page])) {
                        $this->PageAnnots[$page] = array();
                }
                $this->PageAnnots[$page][] = array('n' => ++$this->n, 'x' => $x, 'y' => $y, 'w' => $w, 'h' => $h, 'txt' => $text, 'opt' => $opt, 'numspaces' => $spaces);
                if (!$this->pdfa_mode) {
                        if ((($opt['Subtype'] == 'FileAttachment') OR ($opt['Subtype'] == 'Sound')) AND (!TCPDF_STATIC::empty_string($opt['FS']))
                                AND (@file_exists($opt['FS']) OR TCPDF_STATIC::isValidURL($opt['FS']))
                                AND (!isset($this->embeddedfiles[basename($opt['FS'])]))) {
                                $this->embeddedfiles[basename($opt['FS'])] = array('f' => ++$this->n, 'n' => ++$this->n, 'file' => $opt['FS']);
                        }
                }
                // Add widgets annotation's icons
                if (isset($opt['mk']['i']) AND @file_exists($opt['mk']['i'])) {
                        $this->Image($opt['mk']['i'], '', '', 10, 10, '', '', '', false, 300, '', false, false, 0, false, true);
                }
                if (isset($opt['mk']['ri']) AND @file_exists($opt['mk']['ri'])) {
                        $this->Image($opt['mk']['ri'], '', '', 0, 0, '', '', '', false, 300, '', false, false, 0, false, true);
                }
                if (isset($opt['mk']['ix']) AND @file_exists($opt['mk']['ix'])) {
                        $this->Image($opt['mk']['ix'], '', '', 0, 0, '', '', '', false, 300, '', false, false, 0, false, true);
                }
        }
 
        protected function _putEmbeddedFiles() {
                if ($this->pdfa_mode) {
                        // embedded files are not allowed in PDF/A mode
                        return;
                }
                reset($this->embeddedfiles);
                foreach ($this->embeddedfiles as $filename => $filedata) {
                        $data = TCPDF_STATIC::fileGetContents($filedata['file']);
                        if ($data !== FALSE) {
                                $rawsize = strlen($data);
                                if ($rawsize > 0) {
                                        // update name tree
                                        $this->efnames[$filename] = $filedata['f'].' 0 R';
                                        // embedded file specification object
                                        $out = $this->_getobj($filedata['f'])."\n";
                                        $out .= '<</Type /Filespec /F '.$this->_datastring($filename, $filedata['f']).' /EF <</F '.$filedata['n'].' 0 R>> >>';
                                        $out .= "\n".'endobj';
                                        $this->_out($out);
                                        // embedded file object
                                        $filter = '';
                                        if ($this->compress) {
                                                $data = gzcompress($data);
                                                $filter = ' /Filter /FlateDecode';
                                        }
                                        $stream = $this->_getrawstream($data, $filedata['n']);
                                        $out = $this->_getobj($filedata['n'])."\n";
                                        $out .= '<< /Type /EmbeddedFile'.$filter.' /Length '.strlen($stream).' /Params <</Size '.$rawsize.'>> >>';
                                        $out .= ' stream'."\n".$stream."\n".'endstream';
                                        $out .= "\n".'endobj';
                                        $this->_out($out);
                                }
                        }
                }
        }
 
        public function Text($x, $y, $txt, $fstroke=false, $fclip=false, $ffill=true, $border=0, $ln=0, $align='', $fill=false, $link='', $stretch=0, $ignore_min_height=false, $calign='T', $valign='M', $rtloff=false) {
                $textrendermode = $this->textrendermode;
                $textstrokewidth = $this->textstrokewidth;
                $this->setTextRenderingMode($fstroke, $ffill, $fclip);
                $this->SetXY($x, $y, $rtloff);
                $this->Cell(0, 0, $txt, $border, $ln, $align, $fill, $link, $stretch, $ignore_min_height, $calign, $valign);
                // restore previous rendering mode
                $this->textrendermode = $textrendermode;
                $this->textstrokewidth = $textstrokewidth;
        }
 
        public function AcceptPageBreak() {
                if ($this->num_columns > 1) {
                        // multi column mode
                        if ($this->current_column < ($this->num_columns - 1)) {
                                // go to next column
                                $this->selectColumn($this->current_column + 1);
                        } elseif ($this->AutoPageBreak) {
                                // add a new page
                                $this->AddPage();
                                // set first column
                                $this->selectColumn(0);
                        }
                        // avoid page breaking from checkPageBreak()
                        return false;
                }
                return $this->AutoPageBreak;
        }
 
        protected function checkPageBreak($h=0, $y='', $addpage=true) {
                if (TCPDF_STATIC::empty_string($y)) {
                        $y = $this->y;
                }
                $current_page = $this->page;
                if ((($y + $h) > $this->PageBreakTrigger) AND ($this->inPageBody()) AND ($this->AcceptPageBreak())) {
                        if ($addpage) {
                                //Automatic page break
                                $x = $this->x;
                                $this->AddPage($this->CurOrientation);
                                $this->y = $this->tMargin;
                                $oldpage = $this->page - 1;
                                if ($this->rtl) {
                                        if ($this->pagedim[$this->page]['orm'] != $this->pagedim[$oldpage]['orm']) {
                                                $this->x = $x - ($this->pagedim[$this->page]['orm'] - $this->pagedim[$oldpage]['orm']);
                                        } else {
                                                $this->x = $x;
                                        }
                                } else {
                                        if ($this->pagedim[$this->page]['olm'] != $this->pagedim[$oldpage]['olm']) {
                                                $this->x = $x + ($this->pagedim[$this->page]['olm'] - $this->pagedim[$oldpage]['olm']);
                                        } else {
                                                $this->x = $x;
                                        }
                                }
                        }
                        return true;
                }
                if ($current_page != $this->page) {
                        // account for columns mode
                        return true;
                }
                return false;
        }
 
        public function Cell($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=false, $link='', $stretch=0, $ignore_min_height=false, $calign='T', $valign='M') {
                $prev_cell_margin = $this->cell_margin;
                $prev_cell_padding = $this->cell_padding;
                $this->adjustCellPadding($border);
                if (!$ignore_min_height) {
                        $min_cell_height = $this->getCellHeight($this->FontSize);
                        if ($h < $min_cell_height) {
                                $h = $min_cell_height;
                        }
                }
                $this->checkPageBreak($h + $this->cell_margin['T'] + $this->cell_margin['B']);
                // apply text shadow if enabled
                if ($this->txtshadow['enabled']) {
                        // save data
                        $x = $this->x;
                        $y = $this->y;
                        $bc = $this->bgcolor;
                        $fc = $this->fgcolor;
                        $sc = $this->strokecolor;
                        $alpha = $this->alpha;
                        // print shadow
                        $this->x += $this->txtshadow['depth_w'];
                        $this->y += $this->txtshadow['depth_h'];
                        $this->SetFillColorArray($this->txtshadow['color']);
                        $this->SetTextColorArray($this->txtshadow['color']);
                        $this->SetDrawColorArray($this->txtshadow['color']);
                        if ($this->txtshadow['opacity'] != $alpha['CA']) {
                                $this->setAlpha($this->txtshadow['opacity'], $this->txtshadow['blend_mode']);
                        }
                        if ($this->state == 2) {
                                $this->_out($this->getCellCode($w, $h, $txt, $border, $ln, $align, $fill, $link, $stretch, true, $calign, $valign));
                        }
                        //restore data
                        $this->x = $x;
                        $this->y = $y;
                        $this->SetFillColorArray($bc);
                        $this->SetTextColorArray($fc);
                        $this->SetDrawColorArray($sc);
                        if ($this->txtshadow['opacity'] != $alpha['CA']) {
                                $this->setAlpha($alpha['CA'], $alpha['BM'], $alpha['ca'], $alpha['AIS']);
                        }
                }
                if ($this->state == 2) {
                        $this->_out($this->getCellCode($w, $h, $txt, $border, $ln, $align, $fill, $link, $stretch, true, $calign, $valign));
                }
                $this->cell_padding = $prev_cell_padding;
                $this->cell_margin = $prev_cell_margin;
        }
 
        protected function getCellCode($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=false, $link='', $stretch=0, $ignore_min_height=false, $calign='T', $valign='M') {
                // replace 'NO-BREAK SPACE' (U+00A0) character with a simple space
                $txt = str_replace(TCPDF_FONTS::unichr(160, $this->isunicode), ' ', $txt);
                $prev_cell_margin = $this->cell_margin;
                $prev_cell_padding = $this->cell_padding;
                $txt = TCPDF_STATIC::removeSHY($txt, $this->isunicode);
                $rs = ''; //string to be returned
                $this->adjustCellPadding($border);
                if (!$ignore_min_height) {
                        $min_cell_height = $this->getCellHeight($this->FontSize);
                        if ($h < $min_cell_height) {
                                $h = $min_cell_height;
                        }
                }
                $k = $this->k;
                // check page for no-write regions and adapt page margins if necessary
                list($this->x, $this->y) = $this->checkPageRegions($h, $this->x, $this->y);
                if ($this->rtl) {
                        $x = $this->x - $this->cell_margin['R'];
                } else {
                        $x = $this->x + $this->cell_margin['L'];
                }
                $y = $this->y + $this->cell_margin['T'];
                $prev_font_stretching = $this->font_stretching;
                $prev_font_spacing = $this->font_spacing;
                // cell vertical alignment
                switch ($calign) {
                        case 'A': {
                                // font top
                                switch ($valign) {
                                        case 'T': {
                                                // top
                                                $y -= $this->cell_padding['T'];
                                                break;
                                        }
                                        case 'B': {
                                                // bottom
                                                $y -= ($h - $this->cell_padding['B'] - $this->FontAscent - $this->FontDescent);
                                                break;
                                        }
                                        default:
                                        case 'C':
                                        case 'M': {
                                                // center
                                                $y -= (($h - $this->FontAscent - $this->FontDescent) / 2);
                                                break;
                                        }
                                }
                                break;
                        }
                        case 'L': {
                                // font baseline
                                switch ($valign) {
                                        case 'T': {
                                                // top
                                                $y -= ($this->cell_padding['T'] + $this->FontAscent);
                                                break;
                                        }
                                        case 'B': {
                                                // bottom
                                                $y -= ($h - $this->cell_padding['B'] - $this->FontDescent);
                                                break;
                                        }
                                        default:
                                        case 'C':
                                        case 'M': {
                                                // center
                                                $y -= (($h + $this->FontAscent - $this->FontDescent) / 2);
                                                break;
                                        }
                                }
                                break;
                        }
                        case 'D': {
                                // font bottom
                                switch ($valign) {
                                        case 'T': {
                                                // top
                                                $y -= ($this->cell_padding['T'] + $this->FontAscent + $this->FontDescent);
                                                break;
                                        }
                                        case 'B': {
                                                // bottom
                                                $y -= ($h - $this->cell_padding['B']);
                                                break;
                                        }
                                        default:
                                        case 'C':
                                        case 'M': {
                                                // center
                                                $y -= (($h + $this->FontAscent + $this->FontDescent) / 2);
                                                break;
                                        }
                                }
                                break;
                        }
                        case 'B': {
                                // cell bottom
                                $y -= $h;
                                break;
                        }
                        case 'C':
                        case 'M': {
                                // cell center
                                $y -= ($h / 2);
                                break;
                        }
                        default:
                        case 'T': {
                                // cell top
                                break;
                        }
                }
                // text vertical alignment
                switch ($valign) {
                        case 'T': {
                                // top
                                $yt = $y + $this->cell_padding['T'];
                                break;
                        }
                        case 'B': {
                                // bottom
                                $yt = $y + $h - $this->cell_padding['B'] - $this->FontAscent - $this->FontDescent;
                                break;
                        }
                        default:
                        case 'C':
                        case 'M': {
                                // center
                                $yt = $y + (($h - $this->FontAscent - $this->FontDescent) / 2);
                                break;
                        }
                }
                $basefonty = $yt + $this->FontAscent;
                if (TCPDF_STATIC::empty_string($w) OR ($w <= 0)) {
                        if ($this->rtl) {
                                $w = $x - $this->lMargin;
                        } else {
                                $w = $this->w - $this->rMargin - $x;
                        }
                }
                $s = '';
                // fill and borders
                if (is_string($border) AND (strlen($border) == 4)) {
                        // full border
                        $border = 1;
                }
                if ($fill OR ($border == 1)) {
                        if ($fill) {
                                $op = ($border == 1) ? 'B' : 'f';
                        } else {
                                $op = 'S';
                        }
                        if ($this->rtl) {
                                $xk = (($x - $w) * $k);
                        } else {
                                $xk = ($x * $k);
                        }
                        $s .= sprintf('%F %F %F %F re %s ', $xk, (($this->h - $y) * $k), ($w * $k), (-$h * $k), $op);
                }
                // draw borders
                $s .= $this->getCellBorder($x, $y, $w, $h, $border);
                if ($txt != '') {
                        $txt2 = $txt;
                        if ($this->isunicode) {
                                if (($this->CurrentFont['type'] == 'core') OR ($this->CurrentFont['type'] == 'TrueType') OR ($this->CurrentFont['type'] == 'Type1')) {
                                        $txt2 = TCPDF_FONTS::UTF8ToLatin1($txt2, $this->isunicode, $this->CurrentFont);
                                } else {
                                        $unicode = TCPDF_FONTS::UTF8StringToArray($txt, $this->isunicode, $this->CurrentFont); // array of UTF-8 unicode values
                                        $unicode = TCPDF_FONTS::utf8Bidi($unicode, '', $this->tmprtl, $this->isunicode, $this->CurrentFont);
                                        // replace thai chars (if any)
                                        if (defined('K_THAI_TOPCHARS') AND (K_THAI_TOPCHARS == true)) {
                                                // number of chars
                                                $numchars = count($unicode);
                                                // po pla, for far, for fan
                                                $longtail = array(0x0e1b, 0x0e1d, 0x0e1f);
                                                // do chada, to patak
                                                $lowtail = array(0x0e0e, 0x0e0f);
                                                // mai hun arkad, sara i, sara ii, sara ue, sara uee
                                                $upvowel = array(0x0e31, 0x0e34, 0x0e35, 0x0e36, 0x0e37);
                                                // mai ek, mai tho, mai tri, mai chattawa, karan
                                                $tonemark = array(0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c);
                                                // sara u, sara uu, pinthu
                                                $lowvowel = array(0x0e38, 0x0e39, 0x0e3a);
                                                $output = array();
                                                for ($i = 0; $i < $numchars; $i++) {
                                                        if (($unicode[$i] >= 0x0e00) && ($unicode[$i] <= 0x0e5b)) {
                                                                $ch0 = $unicode[$i];
                                                                $ch1 = ($i > 0) ? $unicode[($i - 1)] : 0;
                                                                $ch2 = ($i > 1) ? $unicode[($i - 2)] : 0;
                                                                $chn = ($i < ($numchars - 1)) ? $unicode[($i + 1)] : 0;
                                                                if (in_array($ch0, $tonemark)) {
                                                                        if ($chn == 0x0e33) {
                                                                                // sara um
                                                                                if (in_array($ch1, $longtail)) {
                                                                                        // tonemark at upper left
                                                                                        $output[] = $this->replaceChar($ch0, (0xf713 + $ch0 - 0x0e48));
                                                                                } else {
                                                                                        // tonemark at upper right (normal position)
                                                                                        $output[] = $ch0;
                                                                                }
                                                                        } elseif (in_array($ch1, $longtail) OR (in_array($ch2, $longtail) AND in_array($ch1, $lowvowel))) {
                                                                                // tonemark at lower left
                                                                                $output[] = $this->replaceChar($ch0, (0xf705 + $ch0 - 0x0e48));
                                                                        } elseif (in_array($ch1, $upvowel)) {
                                                                                if (in_array($ch2, $longtail)) {
                                                                                        // tonemark at upper left
                                                                                        $output[] = $this->replaceChar($ch0, (0xf713 + $ch0 - 0x0e48));
                                                                                } else {
                                                                                        // tonemark at upper right (normal position)
                                                                                        $output[] = $ch0;
                                                                                }
                                                                        } else {
                                                                                // tonemark at lower right
                                                                                $output[] = $this->replaceChar($ch0, (0xf70a + $ch0 - 0x0e48));
                                                                        }
                                                                } elseif (($ch0 == 0x0e33) AND (in_array($ch1, $longtail) OR (in_array($ch2, $longtail) AND in_array($ch1, $tonemark)))) {
                                                                        // add lower left nikhahit and sara aa
                                                                        if ($this->isCharDefined(0xf711) AND $this->isCharDefined(0x0e32)) {
                                                                                $output[] = 0xf711;
                                                                                $this->CurrentFont['subsetchars'][0xf711] = true;
                                                                                $output[] = 0x0e32;
                                                                                $this->CurrentFont['subsetchars'][0x0e32] = true;
                                                                        } else {
                                                                                $output[] = $ch0;
                                                                        }
                                                                } elseif (in_array($ch1, $longtail)) {
                                                                        if ($ch0 == 0x0e31) {
                                                                                // lower left mai hun arkad
                                                                                $output[] = $this->replaceChar($ch0, 0xf710);
                                                                        } elseif (in_array($ch0, $upvowel)) {
                                                                                // lower left
                                                                                $output[] = $this->replaceChar($ch0, (0xf701 + $ch0 - 0x0e34));
                                                                        } elseif ($ch0 == 0x0e47) {
                                                                                // lower left mai tai koo
                                                                                $output[] = $this->replaceChar($ch0, 0xf712);
                                                                        } else {
                                                                                // normal character
                                                                                $output[] = $ch0;
                                                                        }
                                                                } elseif (in_array($ch1, $lowtail) AND in_array($ch0, $lowvowel)) {
                                                                        // lower vowel
                                                                        $output[] = $this->replaceChar($ch0, (0xf718 + $ch0 - 0x0e38));
                                                                } elseif (($ch0 == 0x0e0d) AND in_array($chn, $lowvowel)) {
                                                                        // yo ying without lower part
                                                                        $output[] = $this->replaceChar($ch0, 0xf70f);
                                                                } elseif (($ch0 == 0x0e10) AND in_array($chn, $lowvowel)) {
                                                                        // tho santan without lower part
                                                                        $output[] = $this->replaceChar($ch0, 0xf700);
                                                                } else {
                                                                        $output[] = $ch0;
                                                                }
                                                        } else {
                                                                // non-thai character
                                                                $output[] = $unicode[$i];
                                                        }
                                                }
                                                $unicode = $output;
                                                // update font subsetchars
                                                $this->setFontSubBuffer($this->CurrentFont['fontkey'], 'subsetchars', $this->CurrentFont['subsetchars']);
                                        } // end of K_THAI_TOPCHARS
                                        $txt2 = TCPDF_FONTS::arrUTF8ToUTF16BE($unicode, false);
                                }
                        }
                        $txt2 = TCPDF_STATIC::_escape($txt2);
                        // get current text width (considering general font stretching and spacing)
                        $txwidth = $this->GetStringWidth($txt);
                        $width = $txwidth;
                        // check for stretch mode
                        if ($stretch > 0) {
                                // calculate ratio between cell width and text width
                                if ($width <= 0) {
                                        $ratio = 1;
                                } else {
                                        $ratio = (($w - $this->cell_padding['L'] - $this->cell_padding['R']) / $width);
                                }
                                // check if stretching is required
                                if (($ratio < 1) OR (($ratio > 1) AND (($stretch % 2) == 0))) {
                                        // the text will be stretched to fit cell width
                                        if ($stretch > 2) {
                                                // set new character spacing
                                                $this->font_spacing += ($w - $this->cell_padding['L'] - $this->cell_padding['R'] - $width) / (max(($this->GetNumChars($txt) - 1), 1) * ($this->font_stretching / 100));
                                        } else {
                                                // set new horizontal stretching
                                                $this->font_stretching *= $ratio;
                                        }
                                        // recalculate text width (the text fills the entire cell)
                                        $width = $w - $this->cell_padding['L'] - $this->cell_padding['R'];
                                        // reset alignment
                                        $align = '';
                                }
                        }
                        if ($this->font_stretching != 100) {
                                // apply font stretching
                                $rs .= sprintf('BT %F Tz ET ', $this->font_stretching);
                        }
                        if ($this->font_spacing != 0) {
                                // increase/decrease font spacing
                                $rs .= sprintf('BT %F Tc ET ', ($this->font_spacing * $this->k));
                        }
                        if ($this->ColorFlag AND ($this->textrendermode < 4)) {
                                $s .= 'q '.$this->TextColor.' ';
                        }
                        // rendering mode
                        $s .= sprintf('BT %d Tr %F w ET ', $this->textrendermode, ($this->textstrokewidth * $this->k));
                        // count number of spaces
                        $ns = substr_count($txt, chr(32));
                        // Justification
                        $spacewidth = 0;
                        if (($align == 'J') AND ($ns > 0)) {
                                if ($this->isUnicodeFont()) {
                                        // get string width without spaces
                                        $width = $this->GetStringWidth(str_replace(' ', '', $txt));
                                        // calculate average space width
                                        $spacewidth = -1000 * ($w - $width - $this->cell_padding['L'] - $this->cell_padding['R']) / ($ns?$ns:1) / ($this->FontSize?$this->FontSize:1);
                                        if ($this->font_stretching != 100) {
                                                // word spacing is affected by stretching
                                                $spacewidth /= ($this->font_stretching / 100);
                                        }
                                        // set word position to be used with TJ operator
                                        $txt2 = str_replace(chr(0).chr(32), ') '.sprintf('%F', $spacewidth).' (', $txt2);
                                        $unicode_justification = true;
                                } else {
                                        // get string width
                                        $width = $txwidth;
                                        // new space width
                                        $spacewidth = (($w - $width - $this->cell_padding['L'] - $this->cell_padding['R']) / ($ns?$ns:1)) * $this->k;
                                        if ($this->font_stretching != 100) {
                                                // word spacing (Tw) is affected by stretching
                                                $spacewidth /= ($this->font_stretching / 100);
                                        }
                                        // set word spacing
                                        $rs .= sprintf('BT %F Tw ET ', $spacewidth);
                                }
                                $width = $w - $this->cell_padding['L'] - $this->cell_padding['R'];
                        }
                        // replace carriage return characters
                        $txt2 = str_replace("\r", ' ', $txt2);
                        switch ($align) {
                                case 'C': {
                                        $dx = ($w - $width) / 2;
                                        break;
                                }
                                case 'R': {
                                        if ($this->rtl) {
                                                $dx = $this->cell_padding['R'];
                                        } else {
                                                $dx = $w - $width - $this->cell_padding['R'];
                                        }
                                        break;
                                }
                                case 'L': {
                                        if ($this->rtl) {
                                                $dx = $w - $width - $this->cell_padding['L'];
                                        } else {
                                                $dx = $this->cell_padding['L'];
                                        }
                                        break;
                                }
                                case 'J':
                                default: {
                                        if ($this->rtl) {
                                                $dx = $this->cell_padding['R'];
                                        } else {
                                                $dx = $this->cell_padding['L'];
                                        }
                                        break;
                                }
                        }
                        if ($this->rtl) {
                                $xdx = $x - $dx - $width;
                        } else {
                                $xdx = $x + $dx;
                        }
                        $xdk = $xdx * $k;
                        // print text
                        $s .= sprintf('BT %F %F Td [(%s)] TJ ET', $xdk, (($this->h - $basefonty) * $k), $txt2);
                        if (isset($uniblock)) {
                                // print overlapping characters as separate string
                                $xshift = 0; // horizontal shift
                                $ty = (($this->h - $basefonty + (0.2 * $this->FontSize)) * $k);
                                $spw = (($w - $txwidth - $this->cell_padding['L'] - $this->cell_padding['R']) / ($ns?$ns:1));
                                foreach ($uniblock as $uk => $uniarr) {
                                        if (($uk % 2) == 0) {
                                                // x space to skip
                                                if ($spacewidth != 0) {
                                                        // justification shift
                                                        $xshift += (count(array_keys($uniarr, 32)) * $spw);
                                                }
                                                $xshift += $this->GetArrStringWidth($uniarr); // + shift justification
                                        } else {
                                                // character to print
                                                $topchr = TCPDF_FONTS::arrUTF8ToUTF16BE($uniarr, false);
                                                $topchr = TCPDF_STATIC::_escape($topchr);
                                                $s .= sprintf(' BT %F %F Td [(%s)] TJ ET', ($xdk + ($xshift * $k)), $ty, $topchr);
                                        }
                                }
                        }
                        if ($this->underline) {
                                $s .= ' '.$this->_dounderlinew($xdx, $basefonty, $width);
                        }
                        if ($this->linethrough) {
                                $s .= ' '.$this->_dolinethroughw($xdx, $basefonty, $width);
                        }
                        if ($this->overline) {
                                $s .= ' '.$this->_dooverlinew($xdx, $basefonty, $width);
                        }
                        if ($this->ColorFlag AND ($this->textrendermode < 4)) {
                                $s .= ' Q';
                        }
                        if ($link) {
                                $this->Link($xdx, $yt, $width, ($this->FontAscent + $this->FontDescent), $link, $ns);
                        }
                }
                // output cell
                if ($s) {
                        // output cell
                        $rs .= $s;
                        if ($this->font_spacing != 0) {
                                // reset font spacing mode
                                $rs .= ' BT 0 Tc ET';
                        }
                        if ($this->font_stretching != 100) {
                                // reset font stretching mode
                                $rs .= ' BT 100 Tz ET';
                        }
                }
                // reset word spacing
                if (!$this->isUnicodeFont() AND ($align == 'J')) {
                        $rs .= ' BT 0 Tw ET';
                }
                // reset stretching and spacing
                $this->font_stretching = $prev_font_stretching;
                $this->font_spacing = $prev_font_spacing;
                $this->lasth = $h;
                if ($ln > 0) {
                        //Go to the beginning of the next line
                        $this->y = $y + $h + $this->cell_margin['B'];
                        if ($ln == 1) {
                                if ($this->rtl) {
                                        $this->x = $this->w - $this->rMargin;
                                } else {
                                        $this->x = $this->lMargin;
                                }
                        }
                } else {
                        // go left or right by case
                        if ($this->rtl) {
                                $this->x = $x - $w - $this->cell_margin['L'];
                        } else {
                                $this->x = $x + $w + $this->cell_margin['R'];
                        }
                }
                $gstyles = ''.$this->linestyleWidth.' '.$this->linestyleCap.' '.$this->linestyleJoin.' '.$this->linestyleDash.' '.$this->DrawColor.' '.$this->FillColor."\n";
                $rs = $gstyles.$rs;
                $this->cell_padding = $prev_cell_padding;
                $this->cell_margin = $prev_cell_margin;
                return $rs;
        }
 
        protected function replaceChar($oldchar, $newchar) {
                if ($this->isCharDefined($newchar)) {
                        // add the new char on the subset list
                        $this->CurrentFont['subsetchars'][$newchar] = true;
                        // return the new character
                        return $newchar;
                }
                // return the old char
                return $oldchar;
        }
 
        protected function getCellBorder($x, $y, $w, $h, $brd) {
                $s = ''; // string to be returned
                if (empty($brd)) {
                        return $s;
                }
                if ($brd == 1) {
                        $brd = array('LRTB' => true);
                }
                // calculate coordinates for border
                $k = $this->k;
                if ($this->rtl) {
                        $xeL = ($x - $w) * $k;
                        $xeR = $x * $k;
                } else {
                        $xeL = $x * $k;
                        $xeR = ($x + $w) * $k;
                }
                $yeL = (($this->h - ($y + $h)) * $k);
                $yeT = (($this->h - $y) * $k);
                $xeT = $xeL;
                $xeB = $xeR;
                $yeR = $yeT;
                $yeB = $yeL;
                if (is_string($brd)) {
                        // convert string to array
                        $slen = strlen($brd);
                        $newbrd = array();
                        for ($i = 0; $i < $slen; ++$i) {
                                $newbrd[$brd[$i]] = array('cap' => 'square', 'join' => 'miter');
                        }
                        $brd = $newbrd;
                }
                if (isset($brd['mode'])) {
                        $mode = $brd['mode'];
                        unset($brd['mode']);
                } else {
                        $mode = 'normal';
                }
                foreach ($brd as $border => $style) {
                        if (is_array($style) AND !empty($style)) {
                                // apply border style
                                $prev_style = $this->linestyleWidth.' '.$this->linestyleCap.' '.$this->linestyleJoin.' '.$this->linestyleDash.' '.$this->DrawColor.' ';
                                $s .= $this->SetLineStyle($style, true)."\n";
                        }
                        switch ($mode) {
                                case 'ext': {
                                        $off = (($this->LineWidth / 2) * $k);
                                        $xL = $xeL - $off;
                                        $xR = $xeR + $off;
                                        $yT = $yeT + $off;
                                        $yL = $yeL - $off;
                                        $xT = $xL;
                                        $xB = $xR;
                                        $yR = $yT;
                                        $yB = $yL;
                                        $w += $this->LineWidth;
                                        $h += $this->LineWidth;
                                        break;
                                }
                                case 'int': {
                                        $off = ($this->LineWidth / 2) * $k;
                                        $xL = $xeL + $off;
                                        $xR = $xeR - $off;
                                        $yT = $yeT - $off;
                                        $yL = $yeL + $off;
                                        $xT = $xL;
                                        $xB = $xR;
                                        $yR = $yT;
                                        $yB = $yL;
                                        $w -= $this->LineWidth;
                                        $h -= $this->LineWidth;
                                        break;
                                }
                                case 'normal':
                                default: {
                                        $xL = $xeL;
                                        $xT = $xeT;
                                        $xB = $xeB;
                                        $xR = $xeR;
                                        $yL = $yeL;
                                        $yT = $yeT;
                                        $yB = $yeB;
                                        $yR = $yeR;
                                        break;
                                }
                        }
                        // draw borders by case
                        if (strlen($border) == 4) {
                                $s .= sprintf('%F %F %F %F re S ', $xT, $yT, ($w * $k), (-$h * $k));
                        } elseif (strlen($border) == 3) {
                                if (strpos($border,'B') === false) { // LTR
                                        $s .= sprintf('%F %F m ', $xL, $yL);
                                        $s .= sprintf('%F %F l ', $xT, $yT);
                                        $s .= sprintf('%F %F l ', $xR, $yR);
                                        $s .= sprintf('%F %F l ', $xB, $yB);
                                        $s .= 'S ';
                                } elseif (strpos($border,'L') === false) { // TRB
                                        $s .= sprintf('%F %F m ', $xT, $yT);
                                        $s .= sprintf('%F %F l ', $xR, $yR);
                                        $s .= sprintf('%F %F l ', $xB, $yB);
                                        $s .= sprintf('%F %F l ', $xL, $yL);
                                        $s .= 'S ';
                                } elseif (strpos($border,'T') === false) { // RBL
                                        $s .= sprintf('%F %F m ', $xR, $yR);
                                        $s .= sprintf('%F %F l ', $xB, $yB);
                                        $s .= sprintf('%F %F l ', $xL, $yL);
                                        $s .= sprintf('%F %F l ', $xT, $yT);
                                        $s .= 'S ';
                                } elseif (strpos($border,'R') === false) { // BLT
                                        $s .= sprintf('%F %F m ', $xB, $yB);
                                        $s .= sprintf('%F %F l ', $xL, $yL);
                                        $s .= sprintf('%F %F l ', $xT, $yT);
                                        $s .= sprintf('%F %F l ', $xR, $yR);
                                        $s .= 'S ';
                                }
                        } elseif (strlen($border) == 2) {
                                if ((strpos($border,'L') !== false) AND (strpos($border,'T') !== false)) { // LT
                                        $s .= sprintf('%F %F m ', $xL, $yL);
                                        $s .= sprintf('%F %F l ', $xT, $yT);
                                        $s .= sprintf('%F %F l ', $xR, $yR);
                                        $s .= 'S ';
                                } elseif ((strpos($border,'T') !== false) AND (strpos($border,'R') !== false)) { // TR
                                        $s .= sprintf('%F %F m ', $xT, $yT);
                                        $s .= sprintf('%F %F l ', $xR, $yR);
                                        $s .= sprintf('%F %F l ', $xB, $yB);
                                        $s .= 'S ';
                                } elseif ((strpos($border,'R') !== false) AND (strpos($border,'B') !== false)) { // RB
                                        $s .= sprintf('%F %F m ', $xR, $yR);
                                        $s .= sprintf('%F %F l ', $xB, $yB);
                                        $s .= sprintf('%F %F l ', $xL, $yL);
                                        $s .= 'S ';
                                } elseif ((strpos($border,'B') !== false) AND (strpos($border,'L') !== false)) { // BL
                                        $s .= sprintf('%F %F m ', $xB, $yB);
                                        $s .= sprintf('%F %F l ', $xL, $yL);
                                        $s .= sprintf('%F %F l ', $xT, $yT);
                                        $s .= 'S ';
                                } elseif ((strpos($border,'L') !== false) AND (strpos($border,'R') !== false)) { // LR
                                        $s .= sprintf('%F %F m ', $xL, $yL);
                                        $s .= sprintf('%F %F l ', $xT, $yT);
                                        $s .= 'S ';
                                        $s .= sprintf('%F %F m ', $xR, $yR);
                                        $s .= sprintf('%F %F l ', $xB, $yB);
                                        $s .= 'S ';
                                } elseif ((strpos($border,'T') !== false) AND (strpos($border,'B') !== false)) { // TB
                                        $s .= sprintf('%F %F m ', $xT, $yT);
                                        $s .= sprintf('%F %F l ', $xR, $yR);
                                        $s .= 'S ';
                                        $s .= sprintf('%F %F m ', $xB, $yB);
                                        $s .= sprintf('%F %F l ', $xL, $yL);
                                        $s .= 'S ';
                                }
                        } else { // strlen($border) == 1
                                if (strpos($border,'L') !== false) { // L
                                        $s .= sprintf('%F %F m ', $xL, $yL);
                                        $s .= sprintf('%F %F l ', $xT, $yT);
                                        $s .= 'S ';
                                } elseif (strpos($border,'T') !== false) { // T
                                        $s .= sprintf('%F %F m ', $xT, $yT);
                                        $s .= sprintf('%F %F l ', $xR, $yR);
                                        $s .= 'S ';
                                } elseif (strpos($border,'R') !== false) { // R
                                        $s .= sprintf('%F %F m ', $xR, $yR);
                                        $s .= sprintf('%F %F l ', $xB, $yB);
                                        $s .= 'S ';
                                } elseif (strpos($border,'B') !== false) { // B
                                        $s .= sprintf('%F %F m ', $xB, $yB);
                                        $s .= sprintf('%F %F l ', $xL, $yL);
                                        $s .= 'S ';
                                }
                        }
                        if (is_array($style) AND !empty($style)) {
                                // reset border style to previous value
                                $s .= "\n".$this->linestyleWidth.' '.$this->linestyleCap.' '.$this->linestyleJoin.' '.$this->linestyleDash.' '.$this->DrawColor."\n";
                        }
                }
                return $s;
        }
 
        public function MultiCell($w, $h, $txt, $border=0, $align='J', $fill=false, $ln=1, $x='', $y='', $reseth=true, $stretch=0, $ishtml=false, $autopadding=true, $maxh=0, $valign='T', $fitcell=false) {
                $prev_cell_margin = $this->cell_margin;
                $prev_cell_padding = $this->cell_padding;
                // adjust internal padding
                $this->adjustCellPadding($border);
                $mc_padding = $this->cell_padding;
                $mc_margin = $this->cell_margin;
                $this->cell_padding['T'] = 0;
                $this->cell_padding['B'] = 0;
                $this->setCellMargins(0, 0, 0, 0);
                if (TCPDF_STATIC::empty_string($this->lasth) OR $reseth) {
                        // reset row height
                        $this->resetLastH();
                }
                if (!TCPDF_STATIC::empty_string($y)) {
                        $this->SetY($y);
                } else {
                        $y = $this->GetY();
                }
                $resth = 0;
                if (($h > 0) AND $this->inPageBody() AND (($y + $h + $mc_margin['T'] + $mc_margin['B']) > $this->PageBreakTrigger)) {
                        // spit cell in more pages/columns
                        $newh = ($this->PageBreakTrigger - $y);
                        $resth = ($h - $newh); // cell to be printed on the next page/column
                        $h = $newh;
                }
                // get current page number
                $startpage = $this->page;
                // get current column
                $startcolumn = $this->current_column;
                if (!TCPDF_STATIC::empty_string($x)) {
                        $this->SetX($x);
                } else {
                        $x = $this->GetX();
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions(0, $x, $y);
                // apply margins
                $oy = $y + $mc_margin['T'];
                if ($this->rtl) {
                        $ox = ($this->w - $x - $mc_margin['R']);
                } else {
                        $ox = ($x + $mc_margin['L']);
                }
                $this->x = $ox;
                $this->y = $oy;
                // set width
                if (TCPDF_STATIC::empty_string($w) OR ($w <= 0)) {
                        if ($this->rtl) {
                                $w = ($this->x - $this->lMargin - $mc_margin['L']);
                        } else {
                                $w = ($this->w - $this->x - $this->rMargin - $mc_margin['R']);
                        }
                }
                // store original margin values
                $lMargin = $this->lMargin;
                $rMargin = $this->rMargin;
                if ($this->rtl) {
                        $this->rMargin = ($this->w - $this->x);
                        $this->lMargin = ($this->x - $w);
                } else {
                        $this->lMargin = ($this->x);
                        $this->rMargin = ($this->w - $this->x - $w);
                }
                $this->clMargin = $this->lMargin;
                $this->crMargin = $this->rMargin;
                if ($autopadding) {
                        // add top padding
                        $this->y += $mc_padding['T'];
                }
                if ($ishtml) { // ******* Write HTML text
                        $this->writeHTML($txt, true, false, $reseth, true, $align);
                        $nl = 1;
                } else { // ******* Write simple text
                        $prev_FontSizePt = $this->FontSizePt;
                        if ($fitcell) {
                                // ajust height values
                                $tobottom = ($this->h - $this->y - $this->bMargin - $this->cell_padding['T'] - $this->cell_padding['B']);
                                $h = $maxh = max(min($h, $tobottom), min($maxh, $tobottom));
                        }
                        // vertical alignment
                        if ($maxh > 0) {
                                // get text height
                                $text_height = $this->getStringHeight($w, $txt, $reseth, $autopadding, $mc_padding, $border);
                                if ($fitcell AND ($text_height > $maxh) AND ($this->FontSizePt > 1)) {
                                        // try to reduce font size to fit text on cell (use a quick search algorithm)
                                        $fmin = 1;
                                        $fmax = $this->FontSizePt;
                                        $diff_epsilon = (1 / $this->k); // one point (min resolution)
                                        $maxit = (2 * min(100, max(10, intval($fmax)))); // max number of iterations
                                        while ($maxit >= 0) {
                                                $fmid = (($fmax + $fmin) / 2);
                                                $this->SetFontSize($fmid, false);
                                                $this->resetLastH();
                                                $text_height = $this->getStringHeight($w, $txt, $reseth, $autopadding, $mc_padding, $border);
                                                $diff = ($maxh - $text_height);
                                                if ($diff >= 0) {
                                                        if ($diff <= $diff_epsilon) {
                                                                break;
                                                        }
                                                        $fmin = $fmid;
                                                } else {
                                                        $fmax = $fmid;
                                                }
                                                --$maxit;
                                        }
                                        if ($maxit < 0) {
                                                // premature exit, we get the minimum font value to fit the cell
                                                $this->SetFontSize($fmin);
                                                $this->resetLastH();
                                                $text_height = $this->getStringHeight($w, $txt, $reseth, $autopadding, $mc_padding, $border);
                                        } else {
                                                $this->SetFontSize($fmid);
                                                $this->resetLastH();
                                        }
                                }
                                if ($text_height < $maxh) {
                                        if ($valign == 'M') {
                                                // text vertically centered
                                                $this->y += (($maxh - $text_height) / 2);
                                        } elseif ($valign == 'B') {
                                                // text vertically aligned on bottom
                                                $this->y += ($maxh - $text_height);
                                        }
                                }
                        }
                        $nl = $this->Write($this->lasth, $txt, '', 0, $align, true, $stretch, false, true, $maxh, 0, $mc_margin);
                        if ($fitcell) {
                                // restore font size
                                $this->SetFontSize($prev_FontSizePt);
                        }
                }
                if ($autopadding) {
                        // add bottom padding
                        $this->y += $mc_padding['B'];
                }
                // Get end-of-text Y position
                $currentY = $this->y;
                // get latest page number
                $endpage = $this->page;
                if ($resth > 0) {
                        $skip = ($endpage - $startpage);
                        $tmpresth = $resth;
                        while ($tmpresth > 0) {
                                if ($skip <= 0) {
                                        // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                        $this->checkPageBreak($this->PageBreakTrigger + 1);
                                }
                                if ($this->num_columns > 1) {
                                        $tmpresth -= ($this->h - $this->y - $this->bMargin);
                                } else {
                                        $tmpresth -= ($this->h - $this->tMargin - $this->bMargin);
                                }
                                --$skip;
                        }
                        $currentY = $this->y;
                        $endpage = $this->page;
                }
                // get latest column
                $endcolumn = $this->current_column;
                if ($this->num_columns == 0) {
                        $this->num_columns = 1;
                }
                // disable page regions check
                $check_page_regions = $this->check_page_regions;
                $this->check_page_regions = false;
                // get border modes
                $border_start = TCPDF_STATIC::getBorderMode($border, $position='start', $this->opencell);
                $border_end = TCPDF_STATIC::getBorderMode($border, $position='end', $this->opencell);
                $border_middle = TCPDF_STATIC::getBorderMode($border, $position='middle', $this->opencell);
                // design borders around HTML cells.
                for ($page = $startpage; $page <= $endpage; ++$page) { // for each page
                        $ccode = '';
                        $this->setPage($page);
                        if ($this->num_columns < 2) {
                                // single-column mode
                                $this->SetX($x);
                                $this->y = $this->tMargin;
                        }
                        // account for margin changes
                        if ($page > $startpage) {
                                if (($this->rtl) AND ($this->pagedim[$page]['orm'] != $this->pagedim[$startpage]['orm'])) {
                                        $this->x -= ($this->pagedim[$page]['orm'] - $this->pagedim[$startpage]['orm']);
                                } elseif ((!$this->rtl) AND ($this->pagedim[$page]['olm'] != $this->pagedim[$startpage]['olm'])) {
                                        $this->x += ($this->pagedim[$page]['olm'] - $this->pagedim[$startpage]['olm']);
                                }
                        }
                        if ($startpage == $endpage) {
                                // single page
                                for ($column = $startcolumn; $column <= $endcolumn; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        if ($this->rtl) {
                                                $this->x -= $mc_margin['R'];
                                        } else {
                                                $this->x += $mc_margin['L'];
                                        }
                                        if ($startcolumn == $endcolumn) { // single column
                                                $cborder = $border;
                                                $h = max($h, ($currentY - $oy));
                                                $this->y = $oy;
                                        } elseif ($column == $startcolumn) { // first column
                                                $cborder = $border_start;
                                                $this->y = $oy;
                                                $h = $this->h - $this->y - $this->bMargin;
                                        } elseif ($column == $endcolumn) { // end column
                                                $cborder = $border_end;
                                                $h = $currentY - $this->y;
                                                if ($resth > $h) {
                                                        $h = $resth;
                                                }
                                        } else { // middle column
                                                $cborder = $border_middle;
                                                $h = $this->h - $this->y - $this->bMargin;
                                                $resth -= $h;
                                        }
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        } elseif ($page == $startpage) { // first page
                                for ($column = $startcolumn; $column < $this->num_columns; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        if ($this->rtl) {
                                                $this->x -= $mc_margin['R'];
                                        } else {
                                                $this->x += $mc_margin['L'];
                                        }
                                        if ($column == $startcolumn) { // first column
                                                $cborder = $border_start;
                                                $this->y = $oy;
                                                $h = $this->h - $this->y - $this->bMargin;
                                        } else { // middle column
                                                $cborder = $border_middle;
                                                $h = $this->h - $this->y - $this->bMargin;
                                                $resth -= $h;
                                        }
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        } elseif ($page == $endpage) { // last page
                                for ($column = 0; $column <= $endcolumn; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        if ($this->rtl) {
                                                $this->x -= $mc_margin['R'];
                                        } else {
                                                $this->x += $mc_margin['L'];
                                        }
                                        if ($column == $endcolumn) {
                                                // end column
                                                $cborder = $border_end;
                                                $h = $currentY - $this->y;
                                                if ($resth > $h) {
                                                        $h = $resth;
                                                }
                                        } else {
                                                // middle column
                                                $cborder = $border_middle;
                                                $h = $this->h - $this->y - $this->bMargin;
                                                $resth -= $h;
                                        }
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        } else { // middle page
                                for ($column = 0; $column < $this->num_columns; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        if ($this->rtl) {
                                                $this->x -= $mc_margin['R'];
                                        } else {
                                                $this->x += $mc_margin['L'];
                                        }
                                        $cborder = $border_middle;
                                        $h = $this->h - $this->y - $this->bMargin;
                                        $resth -= $h;
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        }
                        if ($cborder OR $fill) {
                                $offsetlen = strlen($ccode);
                                // draw border and fill
                                if ($this->inxobj) {
                                        // we are inside an XObject template
                                        if (end($this->xobjects[$this->xobjid]['transfmrk']) !== false) {
                                                $pagemarkkey = key($this->xobjects[$this->xobjid]['transfmrk']);
                                                $pagemark = $this->xobjects[$this->xobjid]['transfmrk'][$pagemarkkey];
                                                $this->xobjects[$this->xobjid]['transfmrk'][$pagemarkkey] += $offsetlen;
                                        } else {
                                                $pagemark = $this->xobjects[$this->xobjid]['intmrk'];
                                                $this->xobjects[$this->xobjid]['intmrk'] += $offsetlen;
                                        }
                                        $pagebuff = $this->xobjects[$this->xobjid]['outdata'];
                                        $pstart = substr($pagebuff, 0, $pagemark);
                                        $pend = substr($pagebuff, $pagemark);
                                        $this->xobjects[$this->xobjid]['outdata'] = $pstart.$ccode.$pend;
                                } else {
                                        if (end($this->transfmrk[$this->page]) !== false) {
                                                $pagemarkkey = key($this->transfmrk[$this->page]);
                                                $pagemark = $this->transfmrk[$this->page][$pagemarkkey];
                                                $this->transfmrk[$this->page][$pagemarkkey] += $offsetlen;
                                        } elseif ($this->InFooter) {
                                                $pagemark = $this->footerpos[$this->page];
                                                $this->footerpos[$this->page] += $offsetlen;
                                        } else {
                                                $pagemark = $this->intmrk[$this->page];
                                                $this->intmrk[$this->page] += $offsetlen;
                                        }
                                        $pagebuff = $this->getPageBuffer($this->page);
                                        $pstart = substr($pagebuff, 0, $pagemark);
                                        $pend = substr($pagebuff, $pagemark);
                                        $this->setPageBuffer($this->page, $pstart.$ccode.$pend);
                                }
                        }
                } // end for each page
                // restore page regions check
                $this->check_page_regions = $check_page_regions;
                // Get end-of-cell Y position
                $currentY = $this->GetY();
                // restore previous values
                if ($this->num_columns > 1) {
                        $this->selectColumn();
                } else {
                        // restore original margins
                        $this->lMargin = $lMargin;
                        $this->rMargin = $rMargin;
                        if ($this->page > $startpage) {
                                // check for margin variations between pages (i.e. booklet mode)
                                $dl = ($this->pagedim[$this->page]['olm'] - $this->pagedim[$startpage]['olm']);
                                $dr = ($this->pagedim[$this->page]['orm'] - $this->pagedim[$startpage]['orm']);
                                if (($dl != 0) OR ($dr != 0)) {
                                        $this->lMargin += $dl;
                                        $this->rMargin += $dr;
                                }
                        }
                }
                if ($ln > 0) {
                        //Go to the beginning of the next line
                        $this->SetY($currentY + $mc_margin['B']);
                        if ($ln == 2) {
                                $this->SetX($x + $w + $mc_margin['L'] + $mc_margin['R']);
                        }
                } else {
                        // go left or right by case
                        $this->setPage($startpage);
                        $this->y = $y;
                        $this->SetX($x + $w + $mc_margin['L'] + $mc_margin['R']);
                }
                $this->setContentMark();
                $this->cell_padding = $prev_cell_padding;
                $this->cell_margin = $prev_cell_margin;
                $this->clMargin = $this->lMargin;
                $this->crMargin = $this->rMargin;
                return $nl;
        }
 
        public function getNumLines($txt, $w=0, $reseth=false, $autopadding=true, $cellpadding='', $border=0) {
                if ($txt === NULL) {
                        return 0;
                }
                if ($txt === '') {
                        // empty string
                        return 1;
                }
                // adjust internal padding
                $prev_cell_padding = $this->cell_padding;
                $prev_lasth = $this->lasth;
                if (is_array($cellpadding)) {
                        $this->cell_padding = $cellpadding;
                }
                $this->adjustCellPadding($border);
                if (TCPDF_STATIC::empty_string($w) OR ($w <= 0)) {
                        if ($this->rtl) {
                                $w = $this->x - $this->lMargin;
                        } else {
                                $w = $this->w - $this->rMargin - $this->x;
                        }
                }
                $wmax = $w - $this->cell_padding['L'] - $this->cell_padding['R'];
                if ($reseth) {
                        // reset row height
                        $this->resetLastH();
                }
                $lines = 1;
                $sum = 0;
                $chars = TCPDF_FONTS::utf8Bidi(TCPDF_FONTS::UTF8StringToArray($txt, $this->isunicode, $this->CurrentFont), $txt, $this->tmprtl, $this->isunicode, $this->CurrentFont);
                $charsWidth = $this->GetArrStringWidth($chars, '', '', 0, true);
                $length = count($chars);
                $lastSeparator = -1;
                for ($i = 0; $i < $length; ++$i) {
                        $c = $chars[$i];
                        $charWidth = $charsWidth[$i];
                        if (($c != 160)
                                        AND (($c == 173)
                                                OR preg_match($this->re_spaces, TCPDF_FONTS::unichr($c, $this->isunicode))
                                                OR (($c == 45)
                                                        AND ($i > 0) AND ($i < ($length - 1))
                                                        AND @preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::unichr($chars[($i - 1)], $this->isunicode))
                                                        AND @preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::unichr($chars[($i + 1)], $this->isunicode))
                                                )
                                        )
                                ) {
                                $lastSeparator = $i;
                        }
                        if ((($sum + $charWidth) > $wmax) OR ($c == 10)) {
                                ++$lines;
                                if ($c == 10) {
                                        $lastSeparator = -1;
                                        $sum = 0;
                                } elseif ($lastSeparator != -1) {
                                        $i = $lastSeparator;
                                        $lastSeparator = -1;
                                        $sum = 0;
                                } else {
                                        $sum = $charWidth;
                                }
                        } else {
                                $sum += $charWidth;
                        }
                }
                if ($chars[($length - 1)] == 10) {
                        --$lines;
                }
                $this->cell_padding = $prev_cell_padding;
                $this->lasth = $prev_lasth;
                return $lines;
        }
 
        public function getStringHeight($w, $txt, $reseth=false, $autopadding=true, $cellpadding='', $border=0) {
                // adjust internal padding
                $prev_cell_padding = $this->cell_padding;
                $prev_lasth = $this->lasth;
                if (is_array($cellpadding)) {
                        $this->cell_padding = $cellpadding;
                }
                $this->adjustCellPadding($border);
                $lines = $this->getNumLines($txt, $w, $reseth, $autopadding, $cellpadding, $border);
                $height = $this->getCellHeight(($lines * $this->FontSize), $autopadding);
                $this->cell_padding = $prev_cell_padding;
                $this->lasth = $prev_lasth;
                return $height;
        }
 
        public function Write($h, $txt, $link='', $fill=false, $align='', $ln=false, $stretch=0, $firstline=false, $firstblock=false, $maxh=0, $wadj=0, $margin='') {
                // check page for no-write regions and adapt page margins if necessary
                list($this->x, $this->y) = $this->checkPageRegions($h, $this->x, $this->y);
                if (strlen($txt) == 0) {
                        // fix empty text
                        $txt = ' ';
                }
                if ($margin === '') {
                        // set default margins
                        $margin = $this->cell_margin;
                }
                // remove carriage returns
                $s = str_replace("\r", '', $txt);
                // check if string contains arabic text
                if (preg_match(TCPDF_FONT_DATA::$uni_RE_PATTERN_ARABIC, $s)) {
                        $arabic = true;
                } else {
                        $arabic = false;
                }
                // check if string contains RTL text
                if ($arabic OR ($this->tmprtl == 'R') OR preg_match(TCPDF_FONT_DATA::$uni_RE_PATTERN_RTL, $s)) {
                        $rtlmode = true;
                } else {
                        $rtlmode = false;
                }
                // get a char width
                $chrwidth = $this->GetCharWidth(46); // dot character
                // get array of unicode values
                $chars = TCPDF_FONTS::UTF8StringToArray($s, $this->isunicode, $this->CurrentFont);
                // calculate maximum width for a single character on string
                $chrw = $this->GetArrStringWidth($chars, '', '', 0, true);
                array_walk($chrw, array($this, 'getRawCharWidth'));
                $maxchwidth = max($chrw);
                // get array of chars
                $uchars = TCPDF_FONTS::UTF8ArrayToUniArray($chars, $this->isunicode);
                // get the number of characters
                $nb = count($chars);
                // replacement for SHY character (minus symbol)
                $shy_replacement = 45;
                $shy_replacement_char = TCPDF_FONTS::unichr($shy_replacement, $this->isunicode);
                // widht for SHY replacement
                $shy_replacement_width = $this->GetCharWidth($shy_replacement);
                // page width
                $pw = $w = $this->w - $this->lMargin - $this->rMargin;
                // calculate remaining line width ($w)
                if ($this->rtl) {
                        $w = $this->x - $this->lMargin;
                } else {
                        $w = $this->w - $this->rMargin - $this->x;
                }
                // max column width
                $wmax = ($w - $wadj);
                if (!$firstline) {
                        $wmax -= ($this->cell_padding['L'] + $this->cell_padding['R']);
                }
                if ((!$firstline) AND (($chrwidth > $wmax) OR ($maxchwidth > $wmax))) {
                        // the maximum width character do not fit on column
                        return '';
                }
                // minimum row height
                $row_height = max($h, $this->getCellHeight($this->FontSize));
                // max Y
                $maxy = $this->y + $maxh - max($row_height, $h);
                $start_page = $this->page;
                $i = 0; // character position
                $j = 0; // current starting position
                $sep = -1; // position of the last blank space
                $prevsep = $sep; // previous separator
                $shy = false; // true if the last blank is a soft hypen (SHY)
                $prevshy = $shy; // previous shy mode
                $l = 0; // current string length
                $nl = 0; //number of lines
                $linebreak = false;
                $pc = 0; // previous character
                // for each character
                while ($i < $nb) {
                        if (($maxh > 0) AND ($this->y > $maxy) ) {
                                break;
                        }
                        //Get the current character
                        $c = $chars[$i];
                        if ($c == 10) { // 10 = "\n" = new line
                                //Explicit line break
                                if ($align == 'J') {
                                        if ($this->rtl) {
                                                $talign = 'R';
                                        } else {
                                                $talign = 'L';
                                        }
                                } else {
                                        $talign = $align;
                                }
                                $tmpstr = TCPDF_FONTS::UniArrSubString($uchars, $j, $i);
                                if ($firstline) {
                                        $startx = $this->x;
                                        $tmparr = array_slice($chars, $j, ($i - $j));
                                        if ($rtlmode) {
                                                $tmparr = TCPDF_FONTS::utf8Bidi($tmparr, $tmpstr, $this->tmprtl, $this->isunicode, $this->CurrentFont);
                                        }
                                        $linew = $this->GetArrStringWidth($tmparr);
                                        unset($tmparr);
                                        if ($this->rtl) {
                                                $this->endlinex = $startx - $linew;
                                        } else {
                                                $this->endlinex = $startx + $linew;
                                        }
                                        $w = $linew;
                                        $tmpcellpadding = $this->cell_padding;
                                        if ($maxh == 0) {
                                                $this->SetCellPadding(0);
                                        }
                                }
                                if ($firstblock AND $this->isRTLTextDir()) {
                                        $tmpstr = $this->stringRightTrim($tmpstr);
                                }
                                // Skip newlines at the beginning of a page or column
                                if (!empty($tmpstr) OR ($this->y < ($this->PageBreakTrigger - $row_height))) {
                                        $this->Cell($w, $h, $tmpstr, 0, 1, $talign, $fill, $link, $stretch);
                                }
                                unset($tmpstr);
                                if ($firstline) {
                                        $this->cell_padding = $tmpcellpadding;
                                        return (TCPDF_FONTS::UniArrSubString($uchars, $i));
                                }
                                ++$nl;
                                $j = $i + 1;
                                $l = 0;
                                $sep = -1;
                                $prevsep = $sep;
                                $shy = false;
                                // account for margin changes
                                if ((($this->y + $this->lasth) > $this->PageBreakTrigger) AND ($this->inPageBody())) {
                                        $this->AcceptPageBreak();
                                        if ($this->rtl) {
                                                $this->x -= $margin['R'];
                                        } else {
                                                $this->x += $margin['L'];
                                        }
                                        $this->lMargin += $margin['L'];
                                        $this->rMargin += $margin['R'];
                                }
                                $w = $this->getRemainingWidth();
                                $wmax = ($w - $this->cell_padding['L'] - $this->cell_padding['R']);
                        } else {
                                // 160 is the non-breaking space.
                                // 173 is SHY (Soft Hypen).
                                // \p{Z} or \p{Separator}: any kind of Unicode whitespace or invisible separator.
                                // \p{Lo} or \p{Other_Letter}: a Unicode letter or ideograph that does not have lowercase and uppercase variants.
                                // \p{Lo} is needed because Chinese characters are packed next to each other without spaces in between.
                                if (($c != 160)
                                        AND (($c == 173)
                                                OR preg_match($this->re_spaces, TCPDF_FONTS::unichr($c, $this->isunicode))
                                                OR (($c == 45)
                                                        AND ($i < ($nb - 1))
                                                        AND @preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::unichr($pc, $this->isunicode))
                                                        AND @preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::unichr($chars[($i + 1)], $this->isunicode))
                                                )
                                        )
                                ) {
                                        // update last blank space position
                                        $prevsep = $sep;
                                        $sep = $i;
                                        // check if is a SHY
                                        if (($c == 173) OR ($c == 45)) {
                                                $prevshy = $shy;
                                                $shy = true;
                                                if ($pc == 45) {
                                                        $tmp_shy_replacement_width = 0;
                                                        $tmp_shy_replacement_char = '';
                                                } else {
                                                        $tmp_shy_replacement_width = $shy_replacement_width;
                                                        $tmp_shy_replacement_char = $shy_replacement_char;
                                                }
                                        } else {
                                                $shy = false;
                                        }
                                }
                                // update string length
                                if ($this->isUnicodeFont() AND ($arabic)) {
                                        // with bidirectional algorithm some chars may be changed affecting the line length
                                        // *** very slow ***
                                        $l = $this->GetArrStringWidth(TCPDF_FONTS::utf8Bidi(array_slice($chars, $j, ($i - $j)), '', $this->tmprtl, $this->isunicode, $this->CurrentFont));
                                } else {
                                        $l += $this->GetCharWidth($c);
                                }
                                if (($l > $wmax) OR (($c == 173) AND (($l + $tmp_shy_replacement_width) >= $wmax))) {
                                        if (($c == 173) AND (($l + $tmp_shy_replacement_width) > $wmax)) {
                                                $sep = $prevsep;
                                                $shy = $prevshy;
                                        }
                                        // we have reached the end of column
                                        if ($sep == -1) {
                                                // check if the line was already started
                                                if (($this->rtl AND ($this->x <= ($this->w - $this->rMargin - $this->cell_padding['R'] - $margin['R'] - $chrwidth)))
                                                        OR ((!$this->rtl) AND ($this->x >= ($this->lMargin + $this->cell_padding['L'] + $margin['L'] + $chrwidth)))) {
                                                        // print a void cell and go to next line
                                                        $this->Cell($w, $h, '', 0, 1);
                                                        $linebreak = true;
                                                        if ($firstline) {
                                                                return (TCPDF_FONTS::UniArrSubString($uchars, $j));
                                                        }
                                                } else {
                                                        // truncate the word because do not fit on column
                                                        $tmpstr = TCPDF_FONTS::UniArrSubString($uchars, $j, $i);
                                                        if ($firstline) {
                                                                $startx = $this->x;
                                                                $tmparr = array_slice($chars, $j, ($i - $j));
                                                                if ($rtlmode) {
                                                                        $tmparr = TCPDF_FONTS::utf8Bidi($tmparr, $tmpstr, $this->tmprtl, $this->isunicode, $this->CurrentFont);
                                                                }
                                                                $linew = $this->GetArrStringWidth($tmparr);
                                                                unset($tmparr);
                                                                if ($this->rtl) {
                                                                        $this->endlinex = $startx - $linew;
                                                                } else {
                                                                        $this->endlinex = $startx + $linew;
                                                                }
                                                                $w = $linew;
                                                                $tmpcellpadding = $this->cell_padding;
                                                                if ($maxh == 0) {
                                                                        $this->SetCellPadding(0);
                                                                }
                                                        }
                                                        if ($firstblock AND $this->isRTLTextDir()) {
                                                                $tmpstr = $this->stringRightTrim($tmpstr);
                                                        }
                                                        $this->Cell($w, $h, $tmpstr, 0, 1, $align, $fill, $link, $stretch);
                                                        unset($tmpstr);
                                                        if ($firstline) {
                                                                $this->cell_padding = $tmpcellpadding;
                                                                return (TCPDF_FONTS::UniArrSubString($uchars, $i));
                                                        }
                                                        $j = $i;
                                                        --$i;
                                                }
                                        } else {
                                                // word wrapping
                                                if ($this->rtl AND (!$firstblock) AND ($sep < $i)) {
                                                        $endspace = 1;
                                                } else {
                                                        $endspace = 0;
                                                }
                                                // check the length of the next string
                                                $strrest = TCPDF_FONTS::UniArrSubString($uchars, ($sep + $endspace));
                                                $nextstr = TCPDF_STATIC::pregSplit('/'.$this->re_space['p'].'/', $this->re_space['m'], $this->stringTrim($strrest));
                                                if (isset($nextstr[0]) AND ($this->GetStringWidth($nextstr[0]) > $pw)) {
                                                        // truncate the word because do not fit on a full page width
                                                        $tmpstr = TCPDF_FONTS::UniArrSubString($uchars, $j, $i);
                                                        if ($firstline) {
                                                                $startx = $this->x;
                                                                $tmparr = array_slice($chars, $j, ($i - $j));
                                                                if ($rtlmode) {
                                                                        $tmparr = TCPDF_FONTS::utf8Bidi($tmparr, $tmpstr, $this->tmprtl, $this->isunicode, $this->CurrentFont);
                                                                }
                                                                $linew = $this->GetArrStringWidth($tmparr);
                                                                unset($tmparr);
                                                                if ($this->rtl) {
                                                                        $this->endlinex = ($startx - $linew);
                                                                } else {
                                                                        $this->endlinex = ($startx + $linew);
                                                                }
                                                                $w = $linew;
                                                                $tmpcellpadding = $this->cell_padding;
                                                                if ($maxh == 0) {
                                                                        $this->SetCellPadding(0);
                                                                }
                                                        }
                                                        if ($firstblock AND $this->isRTLTextDir()) {
                                                                $tmpstr = $this->stringRightTrim($tmpstr);
                                                        }
                                                        $this->Cell($w, $h, $tmpstr, 0, 1, $align, $fill, $link, $stretch);
                                                        unset($tmpstr);
                                                        if ($firstline) {
                                                                $this->cell_padding = $tmpcellpadding;
                                                                return (TCPDF_FONTS::UniArrSubString($uchars, $i));
                                                        }
                                                        $j = $i;
                                                        --$i;
                                                } else {
                                                        // word wrapping
                                                        if ($shy) {
                                                                // add hypen (minus symbol) at the end of the line
                                                                $shy_width = $tmp_shy_replacement_width;
                                                                if ($this->rtl) {
                                                                        $shy_char_left = $tmp_shy_replacement_char;
                                                                        $shy_char_right = '';
                                                                } else {
                                                                        $shy_char_left = '';
                                                                        $shy_char_right = $tmp_shy_replacement_char;
                                                                }
                                                        } else {
                                                                $shy_width = 0;
                                                                $shy_char_left = '';
                                                                $shy_char_right = '';
                                                        }
                                                        $tmpstr = TCPDF_FONTS::UniArrSubString($uchars, $j, ($sep + $endspace));
                                                        if ($firstline) {
                                                                $startx = $this->x;
                                                                $tmparr = array_slice($chars, $j, (($sep + $endspace) - $j));
                                                                if ($rtlmode) {
                                                                        $tmparr = TCPDF_FONTS::utf8Bidi($tmparr, $tmpstr, $this->tmprtl, $this->isunicode, $this->CurrentFont);
                                                                }
                                                                $linew = $this->GetArrStringWidth($tmparr);
                                                                unset($tmparr);
                                                                if ($this->rtl) {
                                                                        $this->endlinex = $startx - $linew - $shy_width;
                                                                } else {
                                                                        $this->endlinex = $startx + $linew + $shy_width;
                                                                }
                                                                $w = $linew;
                                                                $tmpcellpadding = $this->cell_padding;
                                                                if ($maxh == 0) {
                                                                        $this->SetCellPadding(0);
                                                                }
                                                        }
                                                        // print the line
                                                        if ($firstblock AND $this->isRTLTextDir()) {
                                                                $tmpstr = $this->stringRightTrim($tmpstr);
                                                        }
                                                        $this->Cell($w, $h, $shy_char_left.$tmpstr.$shy_char_right, 0, 1, $align, $fill, $link, $stretch);
                                                        unset($tmpstr);
                                                        if ($firstline) {
                                                                if ($chars[$sep] == 45) {
                                                                        $endspace += 1;
                                                                }
                                                                // return the remaining text
                                                                $this->cell_padding = $tmpcellpadding;
                                                                return (TCPDF_FONTS::UniArrSubString($uchars, ($sep + $endspace)));
                                                        }
                                                        $i = $sep;
                                                        $sep = -1;
                                                        $shy = false;
                                                        $j = ($i + 1);
                                                }
                                        }
                                        // account for margin changes
                                        if ((($this->y + $this->lasth) > $this->PageBreakTrigger) AND ($this->inPageBody())) {
                                                $this->AcceptPageBreak();
                                                if ($this->rtl) {
                                                        $this->x -= $margin['R'];
                                                } else {
                                                        $this->x += $margin['L'];
                                                }
                                                $this->lMargin += $margin['L'];
                                                $this->rMargin += $margin['R'];
                                        }
                                        $w = $this->getRemainingWidth();
                                        $wmax = $w - $this->cell_padding['L'] - $this->cell_padding['R'];
                                        if ($linebreak) {
                                                $linebreak = false;
                                        } else {
                                                ++$nl;
                                                $l = 0;
                                        }
                                }
                        }
                        // save last character
                        $pc = $c;
                        ++$i;
                } // end while i < nb
                // print last substring (if any)
                if ($l > 0) {
                        switch ($align) {
                                case 'J':
                                case 'C': {
                                        $w = $w;
                                        break;
                                }
                                case 'L': {
                                        if ($this->rtl) {
                                                $w = $w;
                                        } else {
                                                $w = $l;
                                        }
                                        break;
                                }
                                case 'R': {
                                        if ($this->rtl) {
                                                $w = $l;
                                        } else {
                                                $w = $w;
                                        }
                                        break;
                                }
                                default: {
                                        $w = $l;
                                        break;
                                }
                        }
                        $tmpstr = TCPDF_FONTS::UniArrSubString($uchars, $j, $nb);
                        if ($firstline) {
                                $startx = $this->x;
                                $tmparr = array_slice($chars, $j, ($nb - $j));
                                if ($rtlmode) {
                                        $tmparr = TCPDF_FONTS::utf8Bidi($tmparr, $tmpstr, $this->tmprtl, $this->isunicode, $this->CurrentFont);
                                }
                                $linew = $this->GetArrStringWidth($tmparr);
                                unset($tmparr);
                                if ($this->rtl) {
                                        $this->endlinex = $startx - $linew;
                                } else {
                                        $this->endlinex = $startx + $linew;
                                }
                                $w = $linew;
                                $tmpcellpadding = $this->cell_padding;
                                if ($maxh == 0) {
                                        $this->SetCellPadding(0);
                                }
                        }
                        if ($firstblock AND $this->isRTLTextDir()) {
                                $tmpstr = $this->stringRightTrim($tmpstr);
                        }
                        $this->Cell($w, $h, $tmpstr, 0, $ln, $align, $fill, $link, $stretch);
                        unset($tmpstr);
                        if ($firstline) {
                                $this->cell_padding = $tmpcellpadding;
                                return (TCPDF_FONTS::UniArrSubString($uchars, $nb));
                        }
                        ++$nl;
                }
                if ($firstline) {
                        return '';
                }
                return $nl;
        }
 
        protected function getRemainingWidth() {
                list($this->x, $this->y) = $this->checkPageRegions(0, $this->x, $this->y);
                if ($this->rtl) {
                        return ($this->x - $this->lMargin);
                } else {
                        return ($this->w - $this->rMargin - $this->x);
                }
        }
 
        protected function fitBlock($w, $h, $x, $y, $fitonpage=false) {
                if ($w <= 0) {
                        // set maximum width
                        $w = ($this->w - $this->lMargin - $this->rMargin);
                        if ($w <= 0) {
                                $w = 1;
                        }
                }
                if ($h <= 0) {
                        // set maximum height
                        $h = ($this->PageBreakTrigger - $this->tMargin);
                        if ($h <= 0) {
                                $h = 1;
                        }
                }
                // resize the block to be vertically contained on a single page or single column
                if ($fitonpage OR $this->AutoPageBreak) {
                        $ratio_wh = ($w / $h);
                        if ($h > ($this->PageBreakTrigger - $this->tMargin)) {
                                $h = $this->PageBreakTrigger - $this->tMargin;
                                $w = ($h * $ratio_wh);
                        }
                        // resize the block to be horizontally contained on a single page or single column
                        if ($fitonpage) {
                                $maxw = ($this->w - $this->lMargin - $this->rMargin);
                                if ($w > $maxw) {
                                        $w = $maxw;
                                        $h = ($w / $ratio_wh);
                                }
                        }
                }
                // Check whether we need a new page or new column first as this does not fit
                $prev_x = $this->x;
                $prev_y = $this->y;
                if ($this->checkPageBreak($h, $y) OR ($this->y < $prev_y)) {
                        $y = $this->y;
                        if ($this->rtl) {
                                $x += ($prev_x - $this->x);
                        } else {
                                $x += ($this->x - $prev_x);
                        }
                        $this->newline = true;
                }
                // resize the block to be contained on the remaining available page or column space
                if ($fitonpage) {
                        //$ratio_wh = ($w / $h);
                        // PATCH BEGIN
                        if($h)
                        {
                                $ratio_wh = ($w / $h);
                        }
                        else
                        {
                                $ratio_wh = 1;
                        }
                        // PATCH END
 
                        if (($y + $h) > $this->PageBreakTrigger) {
                                $h = $this->PageBreakTrigger - $y;
                                $w = ($h * $ratio_wh);
                        }
                        if ((!$this->rtl) AND (($x + $w) > ($this->w - $this->rMargin))) {
                                $w = $this->w - $this->rMargin - $x;
                                $h = ($w / $ratio_wh);
                        } elseif (($this->rtl) AND (($x - $w) < ($this->lMargin))) {
                                $w = $x - $this->lMargin;
                                $h = ($w / $ratio_wh);
                        }
                }
                return array($w, $h, $x, $y);
        }
 
        public function Image($file, $x='', $y='', $w=0, $h=0, $type='', $link='', $align='', $resize=false, $dpi=300, $palign='', $ismask=false, $imgmask=false, $border=0, $fitbox=false, $hidden=false, $fitonpage=false, $alt=false, $altimgs=array()) {
                if ($this->state != 2) {
                        return;
                }
                if (strcmp($x, '') === 0) {
                        $x = $this->x;
                }
                if (strcmp($y, '') === 0) {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                $exurl = ''; // external streams
                $imsize = FALSE;
                // check if we are passing an image as file or string
                if ($file[0] === '@') {
                        // image from string
                        $imgdata = substr($file, 1);
                } else { // image file
                        if ($file[0] === '*') {
                                // image as external stream
                                $file = substr($file, 1);
                                $exurl = $file;
                        }
                        // check if is a local file
                        if (!@file_exists($file)) {
                                // try to encode spaces on filename
                                $tfile = str_replace(' ', '%20', $file);
                                if (@file_exists($tfile)) {
                                        $file = $tfile;
                                }
                        }
                        if (($imsize = @getimagesize($file)) === FALSE) {
                                if (in_array($file, $this->imagekeys)) {
                                        // get existing image data
                                        $info = $this->getImageBuffer($file);
                                        $imsize = array($info['w'], $info['h']);
                                } elseif (strpos($file, '__tcpdf_'.$this->file_id.'_img') === FALSE) {
                                        $imgdata = TCPDF_STATIC::fileGetContents($file);
                                }
                        }
                }
                if (!empty($imgdata)) {
                        // copy image to cache
                        $original_file = $file;
                        $file = TCPDF_STATIC::getObjFilename('img', $this->file_id);
                        $fp = TCPDF_STATIC::fopenLocal($file, 'w');
                        if (!$fp) {
                                $this->Error('Unable to write file: '.$file);
                        }
                        fwrite($fp, $imgdata);
                        fclose($fp);
                        unset($imgdata);
                        $imsize = @getimagesize($file);
                        if ($imsize === FALSE) {
                                unlink($file);
                                $file = $original_file;
                        }
                }
                if ($imsize === FALSE) {
                        if (($w > 0) AND ($h > 0)) {
                                // get measures from specified data
                                $pw = $this->getHTMLUnitToUnits($w, 0, $this->pdfunit, true) * $this->imgscale * $this->k;
                                $ph = $this->getHTMLUnitToUnits($h, 0, $this->pdfunit, true) * $this->imgscale * $this->k;
                                $imsize = array($pw, $ph);
                        } else {
                                $this->Error('[Image] Unable to get the size of the image: '.$file);
                        }
                }
                // file hash
                $filehash = md5($file);
                // get original image width and height in pixels
                list($pixw, $pixh) = $imsize;
                // calculate image width and height on document
                if (($w <= 0) AND ($h <= 0)) {
                        // convert image size to document unit
                        $w = $this->pixelsToUnits($pixw);
                        $h = $this->pixelsToUnits($pixh);
                } elseif ($w <= 0) {
                        $w = $h * $pixw / $pixh;
                } elseif ($h <= 0) {
                        $h = $w * $pixh / $pixw;
                } elseif (($fitbox !== false) AND ($w > 0) AND ($h > 0)) {
                        if (strlen($fitbox) !== 2) {
                                // set default alignment
                                $fitbox = '--';
                        }
                        // scale image dimensions proportionally to fit within the ($w, $h) box
                        if ((($w * $pixh) / ($h * $pixw)) < 1) {
                                // store current height
                                $oldh = $h;
                                // calculate new height
                                $h = $w * $pixh / $pixw;
                                // height difference
                                $hdiff = ($oldh - $h);
                                // vertical alignment
                                switch (strtoupper($fitbox[1])) {
                                        case 'T': {
                                                break;
                                        }
                                        case 'M': {
                                                $y += ($hdiff / 2);
                                                break;
                                        }
                                        case 'B': {
                                                $y += $hdiff;
                                                break;
                                        }
                                }
                        } else {
                                // store current width
                                $oldw = $w;
                                // calculate new width
                                $w = $h * $pixw / $pixh;
                                // width difference
                                $wdiff = ($oldw - $w);
                                // horizontal alignment
                                switch (strtoupper($fitbox[0])) {
                                        case 'L': {
                                                if ($this->rtl) {
                                                        $x -= $wdiff;
                                                }
                                                break;
                                        }
                                        case 'C': {
                                                if ($this->rtl) {
                                                        $x -= ($wdiff / 2);
                                                } else {
                                                        $x += ($wdiff / 2);
                                                }
                                                break;
                                        }
                                        case 'R': {
                                                if (!$this->rtl) {
                                                        $x += $wdiff;
                                                }
                                                break;
                                        }
                                }
                        }
                }
                // fit the image on available space
                list($w, $h, $x, $y) = $this->fitBlock($w, $h, $x, $y, $fitonpage);
                // calculate new minimum dimensions in pixels
                $neww = round($w * $this->k * $dpi / $this->dpi);
                $newh = round($h * $this->k * $dpi / $this->dpi);
                // check if resize is necessary (resize is used only to reduce the image)
                $newsize = ($neww * $newh);
                $pixsize = ($pixw * $pixh);
                if (intval($resize) == 2) {
                        $resize = true;
                } elseif ($newsize >= $pixsize) {
                        $resize = false;
                }
                // check if image has been already added on document
                $newimage = true;
                if (in_array($file, $this->imagekeys)) {
                        $newimage = false;
                        // get existing image data
                        $info = $this->getImageBuffer($file);
                        if (strpos($file, '__tcpdf_'.$this->file_id.'_imgmask_') === FALSE) {
                                // check if the newer image is larger
                                $oldsize = ($info['w'] * $info['h']);
                                if ((($oldsize < $newsize) AND ($resize)) OR (($oldsize < $pixsize) AND (!$resize))) {
                                        $newimage = true;
                                }
                        }
                } elseif (($ismask === false) AND ($imgmask === false) AND (strpos($file, '__tcpdf_'.$this->file_id.'_imgmask_') === FALSE)) {
                        // create temp image file (without alpha channel)
                        $tempfile_plain = K_PATH_CACHE.'__tcpdf_'.$this->file_id.'_imgmask_plain_'.$filehash;
                        // create temp alpha file
                        $tempfile_alpha = K_PATH_CACHE.'__tcpdf_'.$this->file_id.'_imgmask_alpha_'.$filehash;
                        // check for cached images
                        if (in_array($tempfile_plain, $this->imagekeys)) {
                                // get existing image data
                                $info = $this->getImageBuffer($tempfile_plain);
                                // check if the newer image is larger
                                $oldsize = ($info['w'] * $info['h']);
                                if ((($oldsize < $newsize) AND ($resize)) OR (($oldsize < $pixsize) AND (!$resize))) {
                                        $newimage = true;
                                } else {
                                        $newimage = false;
                                        // embed mask image
                                        $imgmask = $this->Image($tempfile_alpha, $x, $y, $w, $h, 'PNG', '', '', $resize, $dpi, '', true, false);
                                        // embed image, masked with previously embedded mask
                                        return $this->Image($tempfile_plain, $x, $y, $w, $h, $type, $link, $align, $resize, $dpi, $palign, false, $imgmask);
                                }
                        }
                }
                if ($newimage) {
                        //First use of image, get info
                        $type = strtolower($type);
                        if ($type == '') {
                                $type = TCPDF_IMAGES::getImageFileType($file, $imsize);
                        } elseif ($type == 'jpg') {
                                $type = 'jpeg';
                        }
                        $mqr = TCPDF_STATIC::get_mqr();
                        TCPDF_STATIC::set_mqr(false);
                        // Specific image handlers (defined on TCPDF_IMAGES CLASS)
                        $mtd = '_parse'.$type;
                        // GD image handler function
                        $gdfunction = 'imagecreatefrom'.$type;
                        $info = false;
                        if ((method_exists('TCPDF_IMAGES', $mtd)) AND (!($resize AND (function_exists($gdfunction) OR extension_loaded('imagick'))))) {
                                // TCPDF image functions
                                $info = TCPDF_IMAGES::$mtd($file);
                                if (($ismask === false) AND ($imgmask === false) AND (strpos($file, '__tcpdf_'.$this->file_id.'_imgmask_') === FALSE)
                                        AND (($info === 'pngalpha') OR (isset($info['trns']) AND !empty($info['trns'])))) {
                                        return $this->ImagePngAlpha($file, $x, $y, $pixw, $pixh, $w, $h, 'PNG', $link, $align, $resize, $dpi, $palign, $filehash);
                                }
                        }
                        if (($info === false) AND function_exists($gdfunction)) {
                                try {
                                        // GD library
                                        $img = $gdfunction($file);
                                        if ($img !== false) {
                                                if ($resize) {
                                                        $imgr = imagecreatetruecolor($neww, $newh);
                                                        if (($type == 'gif') OR ($type == 'png')) {
                                                                $imgr = TCPDF_IMAGES::setGDImageTransparency($imgr, $img);
                                                        }
                                                        imagecopyresampled($imgr, $img, 0, 0, 0, 0, $neww, $newh, $pixw, $pixh);
                                                        $img = $imgr;
                                                }
                                                if (($type == 'gif') OR ($type == 'png')) {
                                                        $info = TCPDF_IMAGES::_toPNG($img, TCPDF_STATIC::getObjFilename('img', $this->file_id));
                                                } else {
                                                        $info = TCPDF_IMAGES::_toJPEG($img, $this->jpeg_quality, TCPDF_STATIC::getObjFilename('img', $this->file_id));
                                                }
                                        }
                                } catch(Exception $e) {
                                        $info = false;
                                }
                        }
                        if (($info === false) AND extension_loaded('imagick')) {
                                try {
                                        // ImageMagick library
                                        $img = new Imagick();
                                        if ($type == 'svg') {
                                                if ($file[0] === '@') {
                                                        // image from string
                                                        $svgimg = substr($file, 1);
                                                } else {
                                                        // get SVG file content
                                                        $svgimg = TCPDF_STATIC::fileGetContents($file);
                                                }
                                                if ($svgimg !== FALSE) {
                                                        // get width and height
                                                        $regs = array();
                                                        if (preg_match('/<svg([^>]*)>/si', $svgimg, $regs)) {
                                                                $svgtag = $regs[1];
                                                                $tmp = array();
                                                                if (preg_match('/[\s]+width[\s]*=[\s]*"([^"]*)"/si', $svgtag, $tmp)) {
                                                                        $ow = $this->getHTMLUnitToUnits($tmp[1], 1, $this->svgunit, false);
                                                                        $owu = sprintf('%F', ($ow * $dpi / 72)).$this->pdfunit;
                                                                        $svgtag = preg_replace('/[\s]+width[\s]*=[\s]*"[^"]*"/si', ' width="'.$owu.'"', $svgtag, 1);
                                                                } else {
                                                                        $ow = $w;
                                                                }
                                                                $tmp = array();
                                                                if (preg_match('/[\s]+height[\s]*=[\s]*"([^"]*)"/si', $svgtag, $tmp)) {
                                                                        $oh = $this->getHTMLUnitToUnits($tmp[1], 1, $this->svgunit, false);
                                                                        $ohu = sprintf('%F', ($oh * $dpi / 72)).$this->pdfunit;
                                                                        $svgtag = preg_replace('/[\s]+height[\s]*=[\s]*"[^"]*"/si', ' height="'.$ohu.'"', $svgtag, 1);
                                                                } else {
                                                                        $oh = $h;
                                                                }
                                                                $tmp = array();
                                                                if (!preg_match('/[\s]+viewBox[\s]*=[\s]*"[\s]*([0-9\.]+)[\s]+([0-9\.]+)[\s]+([0-9\.]+)[\s]+([0-9\.]+)[\s]*"/si', $svgtag, $tmp)) {
                                                                        $vbw = ($ow * $this->imgscale * $this->k);
                                                                        $vbh = ($oh * $this->imgscale * $this->k);
                                                                        $vbox = sprintf(' viewBox="0 0 %F %F" ', $vbw, $vbh);
                                                                        $svgtag = $vbox.$svgtag;
                                                                }
                                                                $svgimg = preg_replace('/<svg([^>]*)>/si', '<svg'.$svgtag.'>', $svgimg, 1);
                                                        }
                                                        $img->readImageBlob($svgimg);
                                                }
                                        } else {
                                                $img->readImage($file);
                                        }
                                        if ($resize) {
                                                $img->resizeImage($neww, $newh, 10, 1, false);
                                        }
                                        $img->setCompressionQuality($this->jpeg_quality);
                                        $img->setImageFormat('jpeg');
                                        $tempname = TCPDF_STATIC::getObjFilename('img', $this->file_id);
                                        $img->writeImage($tempname);
                                        $info = TCPDF_IMAGES::_parsejpeg($tempname);
                                        unlink($tempname);
                                        $img->destroy();
                                } catch(Exception $e) {
                                        $info = false;
                                }
                        }
                        if ($info === false) {
                                // unable to process image
                                return;
                        }
                        TCPDF_STATIC::set_mqr($mqr);
                        if ($ismask) {
                                // force grayscale
                                $info['cs'] = 'DeviceGray';
                        }
                        if ($imgmask !== false) {
                                $info['masked'] = $imgmask;
                        }
                        if (!empty($exurl)) {
                                $info['exurl'] = $exurl;
                        }
                        // array of alternative images
                        $info['altimgs'] = $altimgs;
                        // add image to document
                        $info['i'] = $this->setImageBuffer($file, $info);
                }
                // set alignment
                $this->img_rb_y = $y + $h;
                // set alignment
                if ($this->rtl) {
                        if ($palign == 'L') {
                                $ximg = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $ximg = $this->w - $this->rMargin - $w;
                        } else {
                                $ximg = $x - $w;
                        }
                        $this->img_rb_x = $ximg;
                } else {
                        if ($palign == 'L') {
                                $ximg = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $ximg = $this->w - $this->rMargin - $w;
                        } else {
                                $ximg = $x;
                        }
                        $this->img_rb_x = $ximg + $w;
                }
                if ($ismask OR $hidden) {
                        // image is not displayed
                        return $info['i'];
                }
                $xkimg = $ximg * $this->k;
                if (!$alt) {
                        // only non-alternative immages will be set
                        $this->_out(sprintf('q %F 0 0 %F %F %F cm /I%u Do Q', ($w * $this->k), ($h * $this->k), $xkimg, (($this->h - ($y + $h)) * $this->k), $info['i']));
                }
                if (!empty($border)) {
                        $bx = $this->x;
                        $by = $this->y;
                        $this->x = $ximg;
                        if ($this->rtl) {
                                $this->x += $w;
                        }
                        $this->y = $y;
                        $this->Cell($w, $h, '', $border, 0, '', 0, '', 0, true);
                        $this->x = $bx;
                        $this->y = $by;
                }
                if ($link) {
                        $this->Link($ximg, $y, $w, $h, $link, 0);
                }
                // set pointer to align the next text/objects
                switch($align) {
                        case 'T': {
                                $this->y = $y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'M': {
                                $this->y = $y + round($h/2);
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'B': {
                                $this->y = $this->img_rb_y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'N': {
                                $this->SetY($this->img_rb_y);
                                break;
                        }
                        default:{
                                break;
                        }
                }
                $this->endlinex = $this->img_rb_x;
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $this->xobjects[$this->xobjid]['images'][] = $info['i'];
                }
                return $info['i'];
        }
 
        protected function ImagePngAlpha($file, $x, $y, $wpx, $hpx, $w, $h, $type, $link, $align, $resize, $dpi, $palign, $filehash='') {
                // create temp images
                if (empty($filehash)) {
                        $filehash = md5($file);
                }
                // create temp image file (without alpha channel)
                $tempfile_plain = K_PATH_CACHE.'__tcpdf_'.$this->file_id.'_imgmask_plain_'.$filehash;
                // create temp alpha file
                $tempfile_alpha = K_PATH_CACHE.'__tcpdf_'.$this->file_id.'_imgmask_alpha_'.$filehash;
                $parsed = false;
                $parse_error = '';
                // ImageMagick extension
                if (($parsed === false) AND extension_loaded('imagick')) {
                        try {
                                // ImageMagick library
                                $img = new Imagick();
                                $img->readImage($file);
                                // clone image object
                                $imga = TCPDF_STATIC::objclone($img);
                                // extract alpha channel
                                if (method_exists($img, 'setImageAlphaChannel') AND defined('Imagick::ALPHACHANNEL_EXTRACT')) {
                                        $img->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                                } else {
                                        $img->separateImageChannel(8); // 8 = (imagick::CHANNEL_ALPHA | imagick::CHANNEL_OPACITY | imagick::CHANNEL_MATTE);
                                        $img->negateImage(true);
                                }
                                $img->setImageFormat('png');
                                $img->writeImage($tempfile_alpha);
                                // remove alpha channel
                                if (method_exists($imga, 'setImageMatte')) {
                                        $imga->setImageMatte(false);
                                } else {
                                        $imga->separateImageChannel(39); // 39 = (imagick::CHANNEL_ALL & ~(imagick::CHANNEL_ALPHA | imagick::CHANNEL_OPACITY | imagick::CHANNEL_MATTE));
                                }
                                $imga->setImageFormat('png');
                                $imga->writeImage($tempfile_plain);
                                $parsed = true;
                        } catch (Exception $e) {
                                // Imagemagick fails, try with GD
                                $parse_error = 'Imagick library error: '.$e->getMessage();
                        }
                }
                // GD extension
                if (($parsed === false) AND function_exists('imagecreatefrompng')) {
                        try {
                                // generate images
                                $img = imagecreatefrompng($file);
                                $imgalpha = imagecreate($wpx, $hpx);
                                // generate gray scale palette (0 -> 255)
                                for ($c = 0; $c < 256; ++$c) {
                                        ImageColorAllocate($imgalpha, $c, $c, $c);
                                }
                                // extract alpha channel
                                for ($xpx = 0; $xpx < $wpx; ++$xpx) {
                                        for ($ypx = 0; $ypx < $hpx; ++$ypx) {
                                                $color = imagecolorat($img, $xpx, $ypx);
                                                // get and correct gamma color
                                                $alpha = $this->getGDgamma($img, $color);
                                                imagesetpixel($imgalpha, $xpx, $ypx, $alpha);
                                        }
                                }
                                imagepng($imgalpha, $tempfile_alpha);
                                imagedestroy($imgalpha);
                                // extract image without alpha channel
                                $imgplain = imagecreatetruecolor($wpx, $hpx);
                                imagecopy($imgplain, $img, 0, 0, 0, 0, $wpx, $hpx);
                                imagepng($imgplain, $tempfile_plain);
                                imagedestroy($imgplain);
                                $parsed = true;
                        } catch (Exception $e) {
                                // GD fails
                                $parse_error = 'GD library error: '.$e->getMessage();
                        }
                }
                if ($parsed === false) {
                        if (empty($parse_error)) {
                                $this->Error('TCPDF requires the Imagick or GD extension to handle PNG images with alpha channel.');
                        } else {
                                $this->Error($parse_error);
                        }
                }
                // embed mask image
                $imgmask = $this->Image($tempfile_alpha, $x, $y, $w, $h, 'PNG', '', '', $resize, $dpi, '', true, false);
                // embed image, masked with previously embedded mask
                $this->Image($tempfile_plain, $x, $y, $w, $h, $type, $link, $align, $resize, $dpi, $palign, false, $imgmask);
        }
 
        protected function getGDgamma($img, $c) {
                if (!isset($this->gdgammacache['#'.$c])) {
                        $colors = imagecolorsforindex($img, $c);
                        // GD alpha is only 7 bit (0 -> 127)
                        $this->gdgammacache['#'.$c] = (((127 - $colors['alpha']) / 127) * 255);
                        // correct gamma
                        $this->gdgammacache['#'.$c] = (pow(($this->gdgammacache['#'.$c] / 255), 2.2) * 255);
                        // store the latest values on cache to improve performances
                        if (count($this->gdgammacache) > 8) {
                                // remove one element from the cache array
                                array_shift($this->gdgammacache);
                        }
                }
                return $this->gdgammacache['#'.$c];
        }
 
        public function Ln($h='', $cell=false) {
                if (($this->num_columns > 1) AND ($this->y == $this->columns[$this->current_column]['y']) AND isset($this->columns[$this->current_column]['x']) AND ($this->x == $this->columns[$this->current_column]['x'])) {
                        // revove vertical space from the top of the column
                        return;
                }
                if ($cell) {
                        if ($this->rtl) {
                                $cellpadding = $this->cell_padding['R'];
                        } else {
                                $cellpadding = $this->cell_padding['L'];
                        }
                } else {
                        $cellpadding = 0;
                }
                if ($this->rtl) {
                        $this->x = $this->w - $this->rMargin - $cellpadding;
                } else {
                        $this->x = $this->lMargin + $cellpadding;
                }
                if (is_string($h)) {
                        $h = $this->lasth;
                }
                $this->y += $h;
                $this->newline = true;
        }
 
        public function GetX() {
                //Get x position
                if ($this->rtl) {
                        return ($this->w - $this->x);
                } else {
                        return $this->x;
                }
        }
 
        public function GetAbsX() {
                return $this->x;
        }
 
        public function GetY() {
                return $this->y;
        }
 
        public function SetX($x, $rtloff=false) {
                $x = floatval($x);
                if (!$rtloff AND $this->rtl) {
                        if ($x >= 0) {
                                $this->x = $this->w - $x;
                        } else {
                                $this->x = abs($x);
                        }
                } else {
                        if ($x >= 0) {
                                $this->x = $x;
                        } else {
                                $this->x = $this->w + $x;
                        }
                }
                if ($this->x < 0) {
                        $this->x = 0;
                }
                if ($this->x > $this->w) {
                        $this->x = $this->w;
                }
        }
 
        public function SetY($y, $resetx=true, $rtloff=false) {
                $y = floatval($y);
                if ($resetx) {
                        //reset x
                        if (!$rtloff AND $this->rtl) {
                                $this->x = $this->w - $this->rMargin;
                        } else {
                                $this->x = $this->lMargin;
                        }
                }
                if ($y >= 0) {
                        $this->y = $y;
                } else {
                        $this->y = $this->h + $y;
                }
                if ($this->y < 0) {
                        $this->y = 0;
                }
                if ($this->y > $this->h) {
                        $this->y = $this->h;
                }
        }
 
        public function SetXY($x, $y, $rtloff=false) {
                $this->SetY($y, false, $rtloff);
                $this->SetX($x, $rtloff);
        }
 
        public function SetAbsX($x) {
                $this->x = floatval($x);
        }
 
        public function SetAbsY($y) {
                $this->y = floatval($y);
        }
 
        public function SetAbsXY($x, $y) {
                $this->SetAbsX($x);
                $this->SetAbsY($y);
        }
 
        public function Output($name='doc.pdf', $dest='I') {
                //Output PDF to some destination
                //Finish document if necessary
                if ($this->state < 3) {
                        $this->Close();
                }
                //Normalize parameters
                if (is_bool($dest)) {
                        $dest = $dest ? 'D' : 'F';
                }
                $dest = strtoupper($dest);
                if ($dest[0] != 'F') {
                        $name = preg_replace('/[\s]+/', '_', $name);
                        $name = preg_replace('/[^a-zA-Z0-9_\.-]/', '', $name);
                }
                if ($this->sign) {
                        // *** apply digital signature to the document ***
                        // get the document content
                        $pdfdoc = $this->getBuffer();
                        // remove last newline
                        $pdfdoc = substr($pdfdoc, 0, -1);
                        // remove filler space
                        $byterange_string_len = strlen(TCPDF_STATIC::$byterange_string);
                        // define the ByteRange
                        $byte_range = array();
                        $byte_range[0] = 0;
                        $byte_range[1] = strpos($pdfdoc, TCPDF_STATIC::$byterange_string) + $byterange_string_len + 10;
                        $byte_range[2] = $byte_range[1] + $this->signature_max_length + 2;
                        $byte_range[3] = strlen($pdfdoc) - $byte_range[2];
                        $pdfdoc = substr($pdfdoc, 0, $byte_range[1]).substr($pdfdoc, $byte_range[2]);
                        // replace the ByteRange
                        $byterange = sprintf('/ByteRange[0 %u %u %u]', $byte_range[1], $byte_range[2], $byte_range[3]);
                        $byterange .= str_repeat(' ', ($byterange_string_len - strlen($byterange)));
                        $pdfdoc = str_replace(TCPDF_STATIC::$byterange_string, $byterange, $pdfdoc);
                        // write the document to a temporary folder
                        $tempdoc = TCPDF_STATIC::getObjFilename('doc', $this->file_id);
                        $f = TCPDF_STATIC::fopenLocal($tempdoc, 'wb');
                        if (!$f) {
                                $this->Error('Unable to create temporary file: '.$tempdoc);
                        }
                        $pdfdoc_length = strlen($pdfdoc);
                        fwrite($f, $pdfdoc, $pdfdoc_length);
                        fclose($f);
                        // get digital signature via openssl library
                        $tempsign = TCPDF_STATIC::getObjFilename('sig', $this->file_id);
                        if (empty($this->signature_data['extracerts'])) {
                                openssl_pkcs7_sign($tempdoc, $tempsign, $this->signature_data['signcert'], array($this->signature_data['privkey'], $this->signature_data['password']), array(), PKCS7_BINARY | PKCS7_DETACHED);
                        } else {
                                openssl_pkcs7_sign($tempdoc, $tempsign, $this->signature_data['signcert'], array($this->signature_data['privkey'], $this->signature_data['password']), array(), PKCS7_BINARY | PKCS7_DETACHED, $this->signature_data['extracerts']);
                        }
                        // read signature
                        $signature = file_get_contents($tempsign);
                        // extract signature
                        $signature = substr($signature, $pdfdoc_length);
                        $signature = substr($signature, (strpos($signature, "%%EOF\n\n------") + 13));
                        $tmparr = explode("\n\n", $signature);
                        $signature = $tmparr[1];
                        // decode signature
                        $signature = base64_decode(trim($signature));
                        // add TSA timestamp to signature
                        $signature = $this->applyTSA($signature);
                        // convert signature to hex
                        $signature = current(unpack('H*', $signature));
                        $signature = str_pad($signature, $this->signature_max_length, '0');
                        // Add signature to the document
                        $this->buffer = substr($pdfdoc, 0, $byte_range[1]).'<'.$signature.'>'.substr($pdfdoc, $byte_range[1]);
                        $this->bufferlen = strlen($this->buffer);
                }
                switch($dest) {
                        case 'I': {
                                // Send PDF to the standard output
                                if (ob_get_contents()) {
                                        $this->Error('Some data has already been output, can\'t send PDF file');
                                }
                                if (php_sapi_name() != 'cli') {
                                        // send output to a browser
                                        header('Content-Type: application/pdf');
                                        if (headers_sent()) {
                                                $this->Error('Some data has already been output to browser, can\'t send PDF file');
                                        }
                                        header('Cache-Control: private, must-revalidate, post-check=0, pre-check=0, max-age=1');
                                        //header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
                                        header('Pragma: public');
                                        header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
                                        header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
                                        header('Content-Disposition: inline; filename="'.basename($name).'"');
                                        TCPDF_STATIC::sendOutputData($this->getBuffer(), $this->bufferlen);
                                } else {
                                        echo $this->getBuffer();
                                }
                                break;
                        }
                        case 'D': {
                                // download PDF as file
                                if (ob_get_contents()) {
                                        $this->Error('Some data has already been output, can\'t send PDF file');
                                }
                                header('Content-Description: File Transfer');
                                if (headers_sent()) {
                                        $this->Error('Some data has already been output to browser, can\'t send PDF file');
                                }
                                header('Cache-Control: private, must-revalidate, post-check=0, pre-check=0, max-age=1');
                                //header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
                                header('Pragma: public');
                                header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
                                header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
                                // force download dialog
                                if (strpos(php_sapi_name(), 'cgi') === false) {
                                        header('Content-Type: application/force-download');
                                        header('Content-Type: application/octet-stream', false);
                                        header('Content-Type: application/download', false);
                                        header('Content-Type: application/pdf', false);
                                } else {
                                        header('Content-Type: application/pdf');
                                }
                                // use the Content-Disposition header to supply a recommended filename
                                header('Content-Disposition: attachment; filename="'.basename($name).'"');
                                header('Content-Transfer-Encoding: binary');
                                TCPDF_STATIC::sendOutputData($this->getBuffer(), $this->bufferlen);
                                break;
                        }
                        case 'F':
                        case 'FI':
                        case 'FD': {
                                // save PDF to a local file
                                $f = TCPDF_STATIC::fopenLocal($name, 'wb');
                                if (!$f) {
                                        $this->Error('Unable to create output file: '.$name);
                                }
                                fwrite($f, $this->getBuffer(), $this->bufferlen);
                                fclose($f);
                                if ($dest == 'FI') {
                                        // send headers to browser
                                        header('Content-Type: application/pdf');
                                        header('Cache-Control: private, must-revalidate, post-check=0, pre-check=0, max-age=1');
                                        //header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
                                        header('Pragma: public');
                                        header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
                                        header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
                                        header('Content-Disposition: inline; filename="'.basename($name).'"');
                                        TCPDF_STATIC::sendOutputData(file_get_contents($name), filesize($name));
                                } elseif ($dest == 'FD') {
                                        // send headers to browser
                                        if (ob_get_contents()) {
                                                $this->Error('Some data has already been output, can\'t send PDF file');
                                        }
                                        header('Content-Description: File Transfer');
                                        if (headers_sent()) {
                                                $this->Error('Some data has already been output to browser, can\'t send PDF file');
                                        }
                                        header('Cache-Control: private, must-revalidate, post-check=0, pre-check=0, max-age=1');
                                        header('Pragma: public');
                                        header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
                                        header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
                                        // force download dialog
                                        if (strpos(php_sapi_name(), 'cgi') === false) {
                                                header('Content-Type: application/force-download');
                                                header('Content-Type: application/octet-stream', false);
                                                header('Content-Type: application/download', false);
                                                header('Content-Type: application/pdf', false);
                                        } else {
                                                header('Content-Type: application/pdf');
                                        }
                                        // use the Content-Disposition header to supply a recommended filename
                                        header('Content-Disposition: attachment; filename="'.basename($name).'"');
                                        header('Content-Transfer-Encoding: binary');
                                        TCPDF_STATIC::sendOutputData(file_get_contents($name), filesize($name));
                                }
                                break;
                        }
                        case 'E': {
                                // return PDF as base64 mime multi-part email attachment (RFC 2045)
                                $retval = 'Content-Type: application/pdf;'."\r\n";
                                $retval .= ' name="'.$name.'"'."\r\n";
                                $retval .= 'Content-Transfer-Encoding: base64'."\r\n";
                                $retval .= 'Content-Disposition: attachment;'."\r\n";
                                $retval .= ' filename="'.$name.'"'."\r\n\r\n";
                                $retval .= chunk_split(base64_encode($this->getBuffer()), 76, "\r\n");
                                return $retval;
                        }
                        case 'S': {
                                // returns PDF as a string
                                return $this->getBuffer();
                        }
                        default: {
                                $this->Error('Incorrect output destination: '.$dest);
                        }
                }
                return '';
        }
 
        public function _destroy($destroyall=false, $preserve_objcopy=false) {
                if ($destroyall AND !$preserve_objcopy) {
                        // remove all temporary files
                        $tmpfiles = glob(K_PATH_CACHE.'__tcpdf_'.$this->file_id.'_*');
                        if (!empty($tmpfiles)) {
                                array_map('unlink', $tmpfiles);
                        }
                }
                $preserve = array(
                        'file_id',
                        'internal_encoding',
                        'state',
                        'bufferlen',
                        'buffer',
                        'cached_files',
                        'sign',
                        'signature_data',
                        'signature_max_length',
                        'byterange_string',
                        'tsa_timestamp',
                        'tsa_data'
                );
                foreach (array_keys(get_object_vars($this)) as $val) {
                        if ($destroyall OR !in_array($val, $preserve)) {
                                if ((!$preserve_objcopy OR ($val != 'objcopy')) AND ($val != 'file_id') AND isset($this->$val)) {
                                        unset($this->$val);
                                }
                        }
                }
        }
 
        protected function _dochecks() {
                //Check for locale-related bug
                if (1.1 == 1) {
                        $this->Error('Don\'t alter the locale before including class file');
                }
                //Check for decimal separator
                if (sprintf('%.1F', 1.0) != '1.0') {
                        setlocale(LC_NUMERIC, 'C');
                }
        }
 
        protected function getInternalPageNumberAliases($a= '') {
                $alias = array();
                // build array of Unicode + ASCII variants (the order is important)
                $alias = array('u' => array(), 'a' => array());
                $u = '{'.$a.'}';
                $alias['u'][] = TCPDF_STATIC::_escape($u);
                if ($this->isunicode) {
                        $alias['u'][] = TCPDF_STATIC::_escape(TCPDF_FONTS::UTF8ToLatin1($u, $this->isunicode, $this->CurrentFont));
                        $alias['u'][] = TCPDF_STATIC::_escape(TCPDF_FONTS::utf8StrRev($u, false, $this->tmprtl, $this->isunicode, $this->CurrentFont));
                        $alias['a'][] = TCPDF_STATIC::_escape(TCPDF_FONTS::UTF8ToLatin1($a, $this->isunicode, $this->CurrentFont));
                        $alias['a'][] = TCPDF_STATIC::_escape(TCPDF_FONTS::utf8StrRev($a, false, $this->tmprtl, $this->isunicode, $this->CurrentFont));
                }
                $alias['a'][] = TCPDF_STATIC::_escape($a);
                return $alias;
        }
 
        protected function getAllInternalPageNumberAliases() {
                $basic_alias = array(TCPDF_STATIC::$alias_tot_pages, TCPDF_STATIC::$alias_num_page, TCPDF_STATIC::$alias_group_tot_pages, TCPDF_STATIC::$alias_group_num_page, TCPDF_STATIC::$alias_right_shift);
                $pnalias = array();
                foreach($basic_alias as $k => $a) {
                        $pnalias[$k] = $this->getInternalPageNumberAliases($a);
                }
                return $pnalias;
        }
 
        protected function replaceRightShiftPageNumAliases($page, $aliases, $diff) {
                foreach ($aliases as $type => $alias) {
                        foreach ($alias as $a) {
                                // find position of compensation factor
                                $startnum = (strpos($a, ':') + 1);
                                $a = substr($a, 0, $startnum);
                                if (($pos = strpos($page, $a)) !== false) {
                                        // end of alias
                                        $endnum = strpos($page, '}', $pos);
                                        // string to be replaced
                                        $aa = substr($page, $pos, ($endnum - $pos + 1));
                                        // get compensation factor
                                        $ratio = substr($page, ($pos + $startnum), ($endnum - $pos - $startnum));
                                        $ratio = preg_replace('/[^0-9\.]/', '', $ratio);
                                        $ratio = floatval($ratio);
                                        if ($type == 'u') {
                                                $chrdiff = floor(($diff + 12) * $ratio);
                                                $shift = str_repeat(' ', $chrdiff);
                                                $shift = TCPDF_FONTS::UTF8ToUTF16BE($shift, false, $this->isunicode, $this->CurrentFont);
                                        } else {
                                                $chrdiff = floor(($diff + 11) * $ratio);
                                                $shift = str_repeat(' ', $chrdiff);
                                        }
                                        $page = str_replace($aa, $shift, $page);
                                }
                        }
                }
                return $page;
        }
 
        protected function setPageBoxTypes($boxes) {
                $this->page_boxes = array();
                foreach ($boxes as $box) {
                        if (in_array($box, TCPDF_STATIC::$pageboxes)) {
                                $this->page_boxes[] = $box;
                        }
                }
        }
 
        protected function _putpages() {
                $filter = ($this->compress) ? '/Filter /FlateDecode ' : '';
                // get internal aliases for page numbers
                $pnalias = $this->getAllInternalPageNumberAliases();
                $num_pages = $this->numpages;
                $ptpa = TCPDF_STATIC::formatPageNumber(($this->starting_page_number + $num_pages - 1));
                $ptpu = TCPDF_FONTS::UTF8ToUTF16BE($ptpa, false, $this->isunicode, $this->CurrentFont);
                $ptp_num_chars = $this->GetNumChars($ptpa);
                $pagegroupnum = 0;
                $groupnum = 0;
                $ptgu = 1;
                $ptga = 1;
                $ptg_num_chars = 1;
                for ($n = 1; $n <= $num_pages; ++$n) {
                        // get current page
                        $temppage = $this->getPageBuffer($n);
                        $pagelen = strlen($temppage);
                        // set replacements for total pages number
                        $pnpa = TCPDF_STATIC::formatPageNumber(($this->starting_page_number + $n - 1));
                        $pnpu = TCPDF_FONTS::UTF8ToUTF16BE($pnpa, false, $this->isunicode, $this->CurrentFont);
                        $pnp_num_chars = $this->GetNumChars($pnpa);
                        $pdiff = 0; // difference used for right shift alignment of page numbers
                        $gdiff = 0; // difference used for right shift alignment of page group numbers
                        if (!empty($this->pagegroups)) {
                                if (isset($this->newpagegroup[$n])) {
                                        $pagegroupnum = 0;
                                        ++$groupnum;
                                        $ptga = TCPDF_STATIC::formatPageNumber($this->pagegroups[$groupnum]);
                                        $ptgu = TCPDF_FONTS::UTF8ToUTF16BE($ptga, false, $this->isunicode, $this->CurrentFont);
                                        $ptg_num_chars = $this->GetNumChars($ptga);
                                }
                                ++$pagegroupnum;
                                $pnga = TCPDF_STATIC::formatPageNumber($pagegroupnum);
                                $pngu = TCPDF_FONTS::UTF8ToUTF16BE($pnga, false, $this->isunicode, $this->CurrentFont);
                                $png_num_chars = $this->GetNumChars($pnga);
                                // replace page numbers
                                $replace = array();
                                $replace[] = array($ptgu, $ptg_num_chars, 9, $pnalias[2]['u']);
                                $replace[] = array($ptga, $ptg_num_chars, 7, $pnalias[2]['a']);
                                $replace[] = array($pngu, $png_num_chars, 9, $pnalias[3]['u']);
                                $replace[] = array($pnga, $png_num_chars, 7, $pnalias[3]['a']);
                                list($temppage, $gdiff) = TCPDF_STATIC::replacePageNumAliases($temppage, $replace, $gdiff);
                        }
                        // replace page numbers
                        $replace = array();
                        $replace[] = array($ptpu, $ptp_num_chars, 9, $pnalias[0]['u']);
                        $replace[] = array($ptpa, $ptp_num_chars, 7, $pnalias[0]['a']);
                        $replace[] = array($pnpu, $pnp_num_chars, 9, $pnalias[1]['u']);
                        $replace[] = array($pnpa, $pnp_num_chars, 7, $pnalias[1]['a']);
                        list($temppage, $pdiff) = TCPDF_STATIC::replacePageNumAliases($temppage, $replace, $pdiff);
                        // replace right shift alias
                        $temppage = $this->replaceRightShiftPageNumAliases($temppage, $pnalias[4], max($pdiff, $gdiff));
                        // replace EPS marker
                        $temppage = str_replace($this->epsmarker, '', $temppage);
                        //Page
                        $this->page_obj_id[$n] = $this->_newobj();
                        $out = '<<';
                        $out .= ' /Type /Page';
                        $out .= ' /Parent 1 0 R';
                        if (empty($this->signature_data['approval']) OR ($this->signature_data['approval'] != 'A')) {
                                $out .= ' /LastModified '.$this->_datestring(0, $this->doc_modification_timestamp);
                        }
                        $out .= ' /Resources 2 0 R';
                        foreach ($this->page_boxes as $box) {
                                $out .= ' /'.$box;
                                $out .= sprintf(' [%F %F %F %F]', $this->pagedim[$n][$box]['llx'], $this->pagedim[$n][$box]['lly'], $this->pagedim[$n][$box]['urx'], $this->pagedim[$n][$box]['ury']);
                        }
                        if (isset($this->pagedim[$n]['BoxColorInfo']) AND !empty($this->pagedim[$n]['BoxColorInfo'])) {
                                $out .= ' /BoxColorInfo <<';
                                foreach ($this->page_boxes as $box) {
                                        if (isset($this->pagedim[$n]['BoxColorInfo'][$box])) {
                                                $out .= ' /'.$box.' <<';
                                                if (isset($this->pagedim[$n]['BoxColorInfo'][$box]['C'])) {
                                                        $color = $this->pagedim[$n]['BoxColorInfo'][$box]['C'];
                                                        $out .= ' /C [';
                                                        $out .= sprintf(' %F %F %F', ($color[0] / 255), ($color[1] / 255), ($color[2] / 255));
                                                        $out .= ' ]';
                                                }
                                                if (isset($this->pagedim[$n]['BoxColorInfo'][$box]['W'])) {
                                                        $out .= ' /W '.($this->pagedim[$n]['BoxColorInfo'][$box]['W'] * $this->k);
                                                }
                                                if (isset($this->pagedim[$n]['BoxColorInfo'][$box]['S'])) {
                                                        $out .= ' /S /'.$this->pagedim[$n]['BoxColorInfo'][$box]['S'];
                                                }
                                                if (isset($this->pagedim[$n]['BoxColorInfo'][$box]['D'])) {
                                                        $dashes = $this->pagedim[$n]['BoxColorInfo'][$box]['D'];
                                                        $out .= ' /D [';
                                                        foreach ($dashes as $dash) {
                                                                $out .= sprintf(' %F', ($dash * $this->k));
                                                        }
                                                        $out .= ' ]';
                                                }
                                                $out .= ' >>';
                                        }
                                }
                                $out .= ' >>';
                        }
                        $out .= ' /Contents '.($this->n + 1).' 0 R';
                        $out .= ' /Rotate '.$this->pagedim[$n]['Rotate'];
                        if (!$this->pdfa_mode) {
                                $out .= ' /Group << /Type /Group /S /Transparency /CS /DeviceRGB >>';
                        }
                        if (isset($this->pagedim[$n]['trans']) AND !empty($this->pagedim[$n]['trans'])) {
                                // page transitions
                                if (isset($this->pagedim[$n]['trans']['Dur'])) {
                                        $out .= ' /Dur '.$this->pagedim[$n]['trans']['Dur'];
                                }
                                $out .= ' /Trans <<';
                                $out .= ' /Type /Trans';
                                if (isset($this->pagedim[$n]['trans']['S'])) {
                                        $out .= ' /S /'.$this->pagedim[$n]['trans']['S'];
                                }
                                if (isset($this->pagedim[$n]['trans']['D'])) {
                                        $out .= ' /D '.$this->pagedim[$n]['trans']['D'];
                                }
                                if (isset($this->pagedim[$n]['trans']['Dm'])) {
                                        $out .= ' /Dm /'.$this->pagedim[$n]['trans']['Dm'];
                                }
                                if (isset($this->pagedim[$n]['trans']['M'])) {
                                        $out .= ' /M /'.$this->pagedim[$n]['trans']['M'];
                                }
                                if (isset($this->pagedim[$n]['trans']['Di'])) {
                                        $out .= ' /Di '.$this->pagedim[$n]['trans']['Di'];
                                }
                                if (isset($this->pagedim[$n]['trans']['SS'])) {
                                        $out .= ' /SS '.$this->pagedim[$n]['trans']['SS'];
                                }
                                if (isset($this->pagedim[$n]['trans']['B'])) {
                                        $out .= ' /B '.$this->pagedim[$n]['trans']['B'];
                                }
                                $out .= ' >>';
                        }
                        $out .= $this->_getannotsrefs($n);
                        $out .= ' /PZ '.$this->pagedim[$n]['PZ'];
                        $out .= ' >>';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                        //Page content
                        $p = ($this->compress) ? gzcompress($temppage) : $temppage;
                        $this->_newobj();
                        $p = $this->_getrawstream($p);
                        $this->_out('<<'.$filter.'/Length '.strlen($p).'>> stream'."\n".$p."\n".'endstream'."\n".'endobj');
                }
                //Pages root
                $out = $this->_getobj(1)."\n";
                $out .= '<< /Type /Pages /Kids [';
                foreach($this->page_obj_id as $page_obj) {
                        $out .= ' '.$page_obj.' 0 R';
                }
                $out .= ' ] /Count '.$num_pages.' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
        }
 
        protected function _getannotsrefs($n) {
                if (!(isset($this->PageAnnots[$n]) OR ($this->sign AND isset($this->signature_data['cert_type'])))) {
                        return '';
                }
                $out = ' /Annots [';
                if (isset($this->PageAnnots[$n])) {
                        foreach ($this->PageAnnots[$n] as $key => $val) {
                                if (!in_array($val['n'], $this->radio_groups)) {
                                        $out .= ' '.$val['n'].' 0 R';
                                }
                        }
                        // add radiobutton groups
                        if (isset($this->radiobutton_groups[$n])) {
                                foreach ($this->radiobutton_groups[$n] as $key => $data) {
                                        if (isset($data['n'])) {
                                                $out .= ' '.$data['n'].' 0 R';
                                        }
                                }
                        }
                }
                if ($this->sign AND ($n == $this->signature_appearance['page']) AND isset($this->signature_data['cert_type'])) {
                        // set reference for signature object
                        $out .= ' '.$this->sig_obj_id.' 0 R';
                }
                if (!empty($this->empty_signature_appearance)) {
                        foreach ($this->empty_signature_appearance as $esa) {
                                if ($esa['page'] == $n) {
                                        // set reference for empty signature objects
                                        $out .= ' '.$esa['objid'].' 0 R';
                                }
                        }
                }
                $out .= ' ]';
                return $out;
        }
 
        protected function _putannotsobjs() {
                // reset object counter
                for ($n=1; $n <= $this->numpages; ++$n) {
                        if (isset($this->PageAnnots[$n])) {
                                // set page annotations
                                foreach ($this->PageAnnots[$n] as $key => $pl) {
                                        $annot_obj_id = $this->PageAnnots[$n][$key]['n'];
                                        // create annotation object for grouping radiobuttons
                                        if (isset($this->radiobutton_groups[$n][$pl['txt']]) AND is_array($this->radiobutton_groups[$n][$pl['txt']])) {
                                                $radio_button_obj_id = $this->radiobutton_groups[$n][$pl['txt']]['n'];
                                                $annots = '<<';
                                                $annots .= ' /Type /Annot';
                                                $annots .= ' /Subtype /Widget';
                                                $annots .= ' /Rect [0 0 0 0]';
                                                if ($this->radiobutton_groups[$n][$pl['txt']]['#readonly#']) {
                                                        // read only
                                                        $annots .= ' /F 68';
                                                        $annots .= ' /Ff 49153';
                                                } else {
                                                        $annots .= ' /F 4'; // default print for PDF/A
                                                        $annots .= ' /Ff 49152';
                                                }
                                                $annots .= ' /T '.$this->_datastring($pl['txt'], $radio_button_obj_id);
                                                if (isset($pl['opt']['tu']) AND is_string($pl['opt']['tu'])) {
                                                        $annots .= ' /TU '.$this->_datastring($pl['opt']['tu'], $radio_button_obj_id);
                                                }
                                                $annots .= ' /FT /Btn';
                                                $annots .= ' /Kids [';
                                                $defval = '';
                                                foreach ($this->radiobutton_groups[$n][$pl['txt']] as $key => $data) {
                                                        if (isset($data['kid'])) {
                                                                $annots .= ' '.$data['kid'].' 0 R';
                                                                if ($data['def'] !== 'Off') {
                                                                        $defval = $data['def'];
                                                                }
                                                        }
                                                }
                                                $annots .= ' ]';
                                                if (!empty($defval)) {
                                                        $annots .= ' /V /'.$defval;
                                                }
                                                $annots .= ' >>';
                                                $this->_out($this->_getobj($radio_button_obj_id)."\n".$annots."\n".'endobj');
                                                $this->form_obj_id[] = $radio_button_obj_id;
                                                // store object id to be used on Parent entry of Kids
                                                $this->radiobutton_groups[$n][$pl['txt']] = $radio_button_obj_id;
                                        }
                                        $formfield = false;
                                        $pl['opt'] = array_change_key_case($pl['opt'], CASE_LOWER);
                                        $a = $pl['x'] * $this->k;
                                        $b = $this->pagedim[$n]['h'] - (($pl['y'] + $pl['h']) * $this->k);
                                        $c = $pl['w'] * $this->k;
                                        $d = $pl['h'] * $this->k;
                                        $rect = sprintf('%F %F %F %F', $a, $b, $a+$c, $b+$d);
                                        // create new annotation object
                                        $annots = '<</Type /Annot';
                                        $annots .= ' /Subtype /'.$pl['opt']['subtype'];
                                        $annots .= ' /Rect ['.$rect.']';
                                        $ft = array('Btn', 'Tx', 'Ch', 'Sig');
                                        if (isset($pl['opt']['ft']) AND in_array($pl['opt']['ft'], $ft)) {
                                                $annots .= ' /FT /'.$pl['opt']['ft'];
                                                $formfield = true;
                                        }
                                        $annots .= ' /Contents '.$this->_textstring($pl['txt'], $annot_obj_id);
                                        $annots .= ' /P '.$this->page_obj_id[$n].' 0 R';
                                        $annots .= ' /NM '.$this->_datastring(sprintf('%04u-%04u', $n, $key), $annot_obj_id);
                                        $annots .= ' /M '.$this->_datestring($annot_obj_id, $this->doc_modification_timestamp);
                                        if (isset($pl['opt']['f'])) {
                                                $fval = 0;
                                                if (is_array($pl['opt']['f'])) {
                                                        foreach ($pl['opt']['f'] as $f) {
                                                                switch (strtolower($f)) {
                                                                        case 'invisible': {
                                                                                $fval += 1 << 0;
                                                                                break;
                                                                        }
                                                                        case 'hidden': {
                                                                                $fval += 1 << 1;
                                                                                break;
                                                                        }
                                                                        case 'print': {
                                                                                $fval += 1 << 2;
                                                                                break;
                                                                        }
                                                                        case 'nozoom': {
                                                                                $fval += 1 << 3;
                                                                                break;
                                                                        }
                                                                        case 'norotate': {
                                                                                $fval += 1 << 4;
                                                                                break;
                                                                        }
                                                                        case 'noview': {
                                                                                $fval += 1 << 5;
                                                                                break;
                                                                        }
                                                                        case 'readonly': {
                                                                                $fval += 1 << 6;
                                                                                break;
                                                                        }
                                                                        case 'locked': {
                                                                                $fval += 1 << 8;
                                                                                break;
                                                                        }
                                                                        case 'togglenoview': {
                                                                                $fval += 1 << 9;
                                                                                break;
                                                                        }
                                                                        case 'lockedcontents': {
                                                                                $fval += 1 << 10;
                                                                                break;
                                                                        }
                                                                        default: {
                                                                                break;
                                                                        }
                                                                }
                                                        }
                                                } else {
                                                        $fval = intval($pl['opt']['f']);
                                                }
                                        } else {
                                                $fval = 4;
                                        }
                                        if ($this->pdfa_mode) {
                                                // force print flag for PDF/A mode
                                                $fval |= 4;
                                        }
                                        $annots .= ' /F '.intval($fval);
                                        if (isset($pl['opt']['as']) AND is_string($pl['opt']['as'])) {
                                                $annots .= ' /AS /'.$pl['opt']['as'];
                                        }
                                        if (isset($pl['opt']['ap'])) {
                                                // appearance stream
                                                $annots .= ' /AP <<';
                                                if (is_array($pl['opt']['ap'])) {
                                                        foreach ($pl['opt']['ap'] as $apmode => $apdef) {
                                                                // $apmode can be: n = normal; r = rollover; d = down;
                                                                $annots .= ' /'.strtoupper($apmode);
                                                                if (is_array($apdef)) {
                                                                        $annots .= ' <<';
                                                                        foreach ($apdef as $apstate => $stream) {
                                                                                // reference to XObject that define the appearance for this mode-state
                                                                                $apsobjid = $this->_putAPXObject($c, $d, $stream);
                                                                                $annots .= ' /'.$apstate.' '.$apsobjid.' 0 R';
                                                                        }
                                                                        $annots .= ' >>';
                                                                } else {
                                                                        // reference to XObject that define the appearance for this mode
                                                                        $apsobjid = $this->_putAPXObject($c, $d, $apdef);
                                                                        $annots .= ' '.$apsobjid.' 0 R';
                                                                }
                                                        }
                                                } else {
                                                        $annots .= $pl['opt']['ap'];
                                                }
                                                $annots .= ' >>';
                                        }
                                        if (isset($pl['opt']['bs']) AND (is_array($pl['opt']['bs']))) {
                                                $annots .= ' /BS <<';
                                                $annots .= ' /Type /Border';
                                                if (isset($pl['opt']['bs']['w'])) {
                                                        $annots .= ' /W '.intval($pl['opt']['bs']['w']);
                                                }
                                                $bstyles = array('S', 'D', 'B', 'I', 'U');
                                                if (isset($pl['opt']['bs']['s']) AND in_array($pl['opt']['bs']['s'], $bstyles)) {
                                                        $annots .= ' /S /'.$pl['opt']['bs']['s'];
                                                }
                                                if (isset($pl['opt']['bs']['d']) AND (is_array($pl['opt']['bs']['d']))) {
                                                        $annots .= ' /D [';
                                                        foreach ($pl['opt']['bs']['d'] as $cord) {
                                                                $annots .= ' '.intval($cord);
                                                        }
                                                        $annots .= ']';
                                                }
                                                $annots .= ' >>';
                                        } else {
                                                $annots .= ' /Border [';
                                                if (isset($pl['opt']['border']) AND (count($pl['opt']['border']) >= 3)) {
                                                        $annots .= intval($pl['opt']['border'][0]).' ';
                                                        $annots .= intval($pl['opt']['border'][1]).' ';
                                                        $annots .= intval($pl['opt']['border'][2]);
                                                        if (isset($pl['opt']['border'][3]) AND is_array($pl['opt']['border'][3])) {
                                                                $annots .= ' [';
                                                                foreach ($pl['opt']['border'][3] as $dash) {
                                                                        $annots .= intval($dash).' ';
                                                                }
                                                                $annots .= ']';
                                                        }
                                                } else {
                                                        $annots .= '0 0 0';
                                                }
                                                $annots .= ']';
                                        }
                                        if (isset($pl['opt']['be']) AND (is_array($pl['opt']['be']))) {
                                                $annots .= ' /BE <<';
                                                $bstyles = array('S', 'C');
                                                if (isset($pl['opt']['be']['s']) AND in_array($pl['opt']['be']['s'], $bstyles)) {
                                                        $annots .= ' /S /'.$pl['opt']['bs']['s'];
                                                } else {
                                                        $annots .= ' /S /S';
                                                }
                                                if (isset($pl['opt']['be']['i']) AND ($pl['opt']['be']['i'] >= 0) AND ($pl['opt']['be']['i'] <= 2)) {
                                                        $annots .= ' /I '.sprintf(' %F', $pl['opt']['be']['i']);
                                                }
                                                $annots .= '>>';
                                        }
                                        if (isset($pl['opt']['c']) AND (is_array($pl['opt']['c'])) AND !empty($pl['opt']['c'])) {
                                                $annots .= ' /C '.TCPDF_COLORS::getColorStringFromArray($pl['opt']['c']);
                                        }
                                        //$annots .= ' /StructParent ';
                                        //$annots .= ' /OC ';
                                        $markups = array('text', 'freetext', 'line', 'square', 'circle', 'polygon', 'polyline', 'highlight', 'underline', 'squiggly', 'strikeout', 'stamp', 'caret', 'ink', 'fileattachment', 'sound');
                                        if (in_array(strtolower($pl['opt']['subtype']), $markups)) {
                                                // this is a markup type
                                                if (isset($pl['opt']['t']) AND is_string($pl['opt']['t'])) {
                                                        $annots .= ' /T '.$this->_textstring($pl['opt']['t'], $annot_obj_id);
                                                }
                                                //$annots .= ' /Popup ';
                                                if (isset($pl['opt']['ca'])) {
                                                        $annots .= ' /CA '.sprintf('%F', floatval($pl['opt']['ca']));
                                                }
                                                if (isset($pl['opt']['rc'])) {
                                                        $annots .= ' /RC '.$this->_textstring($pl['opt']['rc'], $annot_obj_id);
                                                }
                                                $annots .= ' /CreationDate '.$this->_datestring($annot_obj_id, $this->doc_creation_timestamp);
                                                //$annots .= ' /IRT ';
                                                if (isset($pl['opt']['subj'])) {
                                                        $annots .= ' /Subj '.$this->_textstring($pl['opt']['subj'], $annot_obj_id);
                                                }
                                                //$annots .= ' /RT ';
                                                //$annots .= ' /IT ';
                                                //$annots .= ' /ExData ';
                                        }
                                        $lineendings = array('Square', 'Circle', 'Diamond', 'OpenArrow', 'ClosedArrow', 'None', 'Butt', 'ROpenArrow', 'RClosedArrow', 'Slash');
                                        // Annotation types
                                        switch (strtolower($pl['opt']['subtype'])) {
                                                case 'text': {
                                                        if (isset($pl['opt']['open'])) {
                                                                $annots .= ' /Open '. (strtolower($pl['opt']['open']) == 'true' ? 'true' : 'false');
                                                        }
                                                        $iconsapp = array('Comment', 'Help', 'Insert', 'Key', 'NewParagraph', 'Note', 'Paragraph');
                                                        if (isset($pl['opt']['name']) AND in_array($pl['opt']['name'], $iconsapp)) {
                                                                $annots .= ' /Name /'.$pl['opt']['name'];
                                                        } else {
                                                                $annots .= ' /Name /Note';
                                                        }
                                                        $statemodels = array('Marked', 'Review');
                                                        if (isset($pl['opt']['statemodel']) AND in_array($pl['opt']['statemodel'], $statemodels)) {
                                                                $annots .= ' /StateModel /'.$pl['opt']['statemodel'];
                                                        } else {
                                                                $pl['opt']['statemodel'] = 'Marked';
                                                                $annots .= ' /StateModel /'.$pl['opt']['statemodel'];
                                                        }
                                                        if ($pl['opt']['statemodel'] == 'Marked') {
                                                                $states = array('Accepted', 'Unmarked');
                                                        } else {
                                                                $states = array('Accepted', 'Rejected', 'Cancelled', 'Completed', 'None');
                                                        }
                                                        if (isset($pl['opt']['state']) AND in_array($pl['opt']['state'], $states)) {
                                                                $annots .= ' /State /'.$pl['opt']['state'];
                                                        } else {
                                                                if ($pl['opt']['statemodel'] == 'Marked') {
                                                                        $annots .= ' /State /Unmarked';
                                                                } else {
                                                                        $annots .= ' /State /None';
                                                                }
                                                        }
                                                        break;
                                                }
                                                case 'link': {
                                                        if (is_string($pl['txt'])) {
                                                                if ($pl['txt'][0] == '#') {
                                                                        // internal destination
                                                                        $annots .= ' /Dest /'.TCPDF_STATIC::encodeNameObject(substr($pl['txt'], 1));
                                                                } elseif ($pl['txt'][0] == '%') {
                                                                        // embedded PDF file
                                                                        $filename = basename(substr($pl['txt'], 1));
                                                                        $annots .= ' /A << /S /GoToE /D [0 /Fit] /NewWindow true /T << /R /C /P '.($n - 1).' /A '.$this->embeddedfiles[$filename]['a'].' >> >>';
                                                                } elseif ($pl['txt'][0] == '*') {
                                                                        // embedded generic file
                                                                        $filename = basename(substr($pl['txt'], 1));
                                                                        $jsa = 'var D=event.target.doc;var MyData=D.dataObjects;for (var i in MyData) if (MyData[i].path=="'.$filename.'") D.exportDataObject( { cName : MyData[i].name, nLaunch : 2});';
                                                                        $annots .= ' /A << /S /JavaScript /JS '.$this->_textstring($jsa, $annot_obj_id).'>>';
                                                                } else {
                                                                        $parsedUrl = parse_url($pl['txt']);
                                                                        if (empty($parsedUrl['scheme']) AND (strtolower(substr($parsedUrl['path'], -4)) == '.pdf')) {
                                                                                // relative link to a PDF file
                                                                                $dest = '[0 /Fit]'; // default page 0
                                                                                if (!empty($parsedUrl['fragment'])) {
                                                                                        // check for named destination
                                                                                        $tmp = explode('=', $parsedUrl['fragment']);
                                                                                        $dest = '('.((count($tmp) == 2) ? $tmp[1] : $tmp[0]).')';
                                                                                }
                                                                                $annots .= ' /A <</S /GoToR /D '.$dest.' /F '.$this->_datastring($this->unhtmlentities($parsedUrl['path']), $annot_obj_id).' /NewWindow true>>';
                                                                        } else {
                                                                                // external URI link
                                                                                $annots .= ' /A <</S /URI /URI '.$this->_datastring($this->unhtmlentities($pl['txt']), $annot_obj_id).'>>';
                                                                        }
                                                                }
                                                        } elseif (isset($this->links[$pl['txt']])) {
                                                                // internal link ID
                                                                $l = $this->links[$pl['txt']];
                                                                if (isset($this->page_obj_id[($l['p'])])) {
                                                                        $annots .= sprintf(' /Dest [%u 0 R /XYZ 0 %F null]', $this->page_obj_id[($l['p'])], ($this->pagedim[$l['p']]['h'] - ($l['y'] * $this->k)));
                                                                }
                                                        }
                                                        $hmodes = array('N', 'I', 'O', 'P');
                                                        if (isset($pl['opt']['h']) AND in_array($pl['opt']['h'], $hmodes)) {
                                                                $annots .= ' /H /'.$pl['opt']['h'];
                                                        } else {
                                                                $annots .= ' /H /I';
                                                        }
                                                        //$annots .= ' /PA ';
                                                        //$annots .= ' /Quadpoints ';
                                                        break;
                                                }
                                                case 'freetext': {
                                                        if (isset($pl['opt']['da']) AND !empty($pl['opt']['da'])) {
                                                                $annots .= ' /DA ('.$pl['opt']['da'].')';
                                                        }
                                                        if (isset($pl['opt']['q']) AND ($pl['opt']['q'] >= 0) AND ($pl['opt']['q'] <= 2)) {
                                                                $annots .= ' /Q '.intval($pl['opt']['q']);
                                                        }
                                                        if (isset($pl['opt']['rc'])) {
                                                                $annots .= ' /RC '.$this->_textstring($pl['opt']['rc'], $annot_obj_id);
                                                        }
                                                        if (isset($pl['opt']['ds'])) {
                                                                $annots .= ' /DS '.$this->_textstring($pl['opt']['ds'], $annot_obj_id);
                                                        }
                                                        if (isset($pl['opt']['cl']) AND is_array($pl['opt']['cl'])) {
                                                                $annots .= ' /CL [';
                                                                foreach ($pl['opt']['cl'] as $cl) {
                                                                        $annots .= sprintf('%F ', $cl * $this->k);
                                                                }
                                                                $annots .= ']';
                                                        }
                                                        $tfit = array('FreeText', 'FreeTextCallout', 'FreeTextTypeWriter');
                                                        if (isset($pl['opt']['it']) AND in_array($pl['opt']['it'], $tfit)) {
                                                                $annots .= ' /IT /'.$pl['opt']['it'];
                                                        }
                                                        if (isset($pl['opt']['rd']) AND is_array($pl['opt']['rd'])) {
                                                                $l = $pl['opt']['rd'][0] * $this->k;
                                                                $r = $pl['opt']['rd'][1] * $this->k;
                                                                $t = $pl['opt']['rd'][2] * $this->k;
                                                                $b = $pl['opt']['rd'][3] * $this->k;
                                                                $annots .= ' /RD ['.sprintf('%F %F %F %F', $l, $r, $t, $b).']';
                                                        }
                                                        if (isset($pl['opt']['le']) AND in_array($pl['opt']['le'], $lineendings)) {
                                                                $annots .= ' /LE /'.$pl['opt']['le'];
                                                        }
                                                        break;
                                                }
                                                case 'line': {
                                                        break;
                                                }
                                                case 'square': {
                                                        break;
                                                }
                                                case 'circle': {
                                                        break;
                                                }
                                                case 'polygon': {
                                                        break;
                                                }
                                                case 'polyline': {
                                                        break;
                                                }
                                                case 'highlight': {
                                                        break;
                                                }
                                                case 'underline': {
                                                        break;
                                                }
                                                case 'squiggly': {
                                                        break;
                                                }
                                                case 'strikeout': {
                                                        break;
                                                }
                                                case 'stamp': {
                                                        break;
                                                }
                                                case 'caret': {
                                                        break;
                                                }
                                                case 'ink': {
                                                        break;
                                                }
                                                case 'popup': {
                                                        break;
                                                }
                                                case 'fileattachment': {
                                                        if ($this->pdfa_mode) {
                                                                // embedded files are not allowed in PDF/A mode
                                                                break;
                                                        }
                                                        if (!isset($pl['opt']['fs'])) {
                                                                break;
                                                        }
                                                        $filename = basename($pl['opt']['fs']);
                                                        if (isset($this->embeddedfiles[$filename]['f'])) {
                                                                $annots .= ' /FS '.$this->embeddedfiles[$filename]['f'].' 0 R';
                                                                $iconsapp = array('Graph', 'Paperclip', 'PushPin', 'Tag');
                                                                if (isset($pl['opt']['name']) AND in_array($pl['opt']['name'], $iconsapp)) {
                                                                        $annots .= ' /Name /'.$pl['opt']['name'];
                                                                } else {
                                                                        $annots .= ' /Name /PushPin';
                                                                }
                                                                // index (zero-based) of the annotation in the Annots array of this page
                                                                $this->embeddedfiles[$filename]['a'] = $key;
                                                        }
                                                        break;
                                                }
                                                case 'sound': {
                                                        if (!isset($pl['opt']['fs'])) {
                                                                break;
                                                        }
                                                        $filename = basename($pl['opt']['fs']);
                                                        if (isset($this->embeddedfiles[$filename]['f'])) {
                                                                // ... TO BE COMPLETED ...
                                                                // /R /C /B /E /CO /CP
                                                                $annots .= ' /Sound '.$this->embeddedfiles[$filename]['f'].' 0 R';
                                                                $iconsapp = array('Speaker', 'Mic');
                                                                if (isset($pl['opt']['name']) AND in_array($pl['opt']['name'], $iconsapp)) {
                                                                        $annots .= ' /Name /'.$pl['opt']['name'];
                                                                } else {
                                                                        $annots .= ' /Name /Speaker';
                                                                }
                                                        }
                                                        break;
                                                }
                                                case 'movie': {
                                                        break;
                                                }
                                                case 'widget': {
                                                        $hmode = array('N', 'I', 'O', 'P', 'T');
                                                        if (isset($pl['opt']['h']) AND in_array($pl['opt']['h'], $hmode)) {
                                                                $annots .= ' /H /'.$pl['opt']['h'];
                                                        }
                                                        if (isset($pl['opt']['mk']) AND (is_array($pl['opt']['mk'])) AND !empty($pl['opt']['mk'])) {
                                                                $annots .= ' /MK <<';
                                                                if (isset($pl['opt']['mk']['r'])) {
                                                                        $annots .= ' /R '.$pl['opt']['mk']['r'];
                                                                }
                                                                if (isset($pl['opt']['mk']['bc']) AND (is_array($pl['opt']['mk']['bc']))) {
                                                                        $annots .= ' /BC '.TCPDF_COLORS::getColorStringFromArray($pl['opt']['mk']['bc']);
                                                                }
                                                                if (isset($pl['opt']['mk']['bg']) AND (is_array($pl['opt']['mk']['bg']))) {
                                                                        $annots .= ' /BG '.TCPDF_COLORS::getColorStringFromArray($pl['opt']['mk']['bg']);
                                                                }
                                                                if (isset($pl['opt']['mk']['ca'])) {
                                                                        $annots .= ' /CA '.$pl['opt']['mk']['ca'];
                                                                }
                                                                if (isset($pl['opt']['mk']['rc'])) {
                                                                        $annots .= ' /RC '.$pl['opt']['mk']['rc'];
                                                                }
                                                                if (isset($pl['opt']['mk']['ac'])) {
                                                                        $annots .= ' /AC '.$pl['opt']['mk']['ac'];
                                                                }
                                                                if (isset($pl['opt']['mk']['i'])) {
                                                                        $info = $this->getImageBuffer($pl['opt']['mk']['i']);
                                                                        if ($info !== false) {
                                                                                $annots .= ' /I '.$info['n'].' 0 R';
                                                                        }
                                                                }
                                                                if (isset($pl['opt']['mk']['ri'])) {
                                                                        $info = $this->getImageBuffer($pl['opt']['mk']['ri']);
                                                                        if ($info !== false) {
                                                                                $annots .= ' /RI '.$info['n'].' 0 R';
                                                                        }
                                                                }
                                                                if (isset($pl['opt']['mk']['ix'])) {
                                                                        $info = $this->getImageBuffer($pl['opt']['mk']['ix']);
                                                                        if ($info !== false) {
                                                                                $annots .= ' /IX '.$info['n'].' 0 R';
                                                                        }
                                                                }
                                                                if (isset($pl['opt']['mk']['if']) AND (is_array($pl['opt']['mk']['if'])) AND !empty($pl['opt']['mk']['if'])) {
                                                                        $annots .= ' /IF <<';
                                                                        $if_sw = array('A', 'B', 'S', 'N');
                                                                        if (isset($pl['opt']['mk']['if']['sw']) AND in_array($pl['opt']['mk']['if']['sw'], $if_sw)) {
                                                                                $annots .= ' /SW /'.$pl['opt']['mk']['if']['sw'];
                                                                        }
                                                                        $if_s = array('A', 'P');
                                                                        if (isset($pl['opt']['mk']['if']['s']) AND in_array($pl['opt']['mk']['if']['s'], $if_s)) {
                                                                                $annots .= ' /S /'.$pl['opt']['mk']['if']['s'];
                                                                        }
                                                                        if (isset($pl['opt']['mk']['if']['a']) AND (is_array($pl['opt']['mk']['if']['a'])) AND !empty($pl['opt']['mk']['if']['a'])) {
                                                                                $annots .= sprintf(' /A [%F %F]', $pl['opt']['mk']['if']['a'][0], $pl['opt']['mk']['if']['a'][1]);
                                                                        }
                                                                        if (isset($pl['opt']['mk']['if']['fb']) AND ($pl['opt']['mk']['if']['fb'])) {
                                                                                $annots .= ' /FB true';
                                                                        }
                                                                        $annots .= '>>';
                                                                }
                                                                if (isset($pl['opt']['mk']['tp']) AND ($pl['opt']['mk']['tp'] >= 0) AND ($pl['opt']['mk']['tp'] <= 6)) {
                                                                        $annots .= ' /TP '.intval($pl['opt']['mk']['tp']);
                                                                }
                                                                $annots .= '>>';
                                                        } // end MK
                                                        // --- Entries for field dictionaries ---
                                                        if (isset($this->radiobutton_groups[$n][$pl['txt']])) {
                                                                // set parent
                                                                $annots .= ' /Parent '.$this->radiobutton_groups[$n][$pl['txt']].' 0 R';
                                                        }
                                                        if (isset($pl['opt']['t']) AND is_string($pl['opt']['t'])) {
                                                                $annots .= ' /T '.$this->_datastring($pl['opt']['t'], $annot_obj_id);
                                                        }
                                                        if (isset($pl['opt']['tu']) AND is_string($pl['opt']['tu'])) {
                                                                $annots .= ' /TU '.$this->_datastring($pl['opt']['tu'], $annot_obj_id);
                                                        }
                                                        if (isset($pl['opt']['tm']) AND is_string($pl['opt']['tm'])) {
                                                                $annots .= ' /TM '.$this->_datastring($pl['opt']['tm'], $annot_obj_id);
                                                        }
                                                        if (isset($pl['opt']['ff'])) {
                                                                if (is_array($pl['opt']['ff'])) {
                                                                        // array of bit settings
                                                                        $flag = 0;
                                                                        foreach($pl['opt']['ff'] as $val) {
                                                                                $flag += 1 << ($val - 1);
                                                                        }
                                                                } else {
                                                                        $flag = intval($pl['opt']['ff']);
                                                                }
                                                                $annots .= ' /Ff '.$flag;
                                                        }
                                                        if (isset($pl['opt']['maxlen'])) {
                                                                $annots .= ' /MaxLen '.intval($pl['opt']['maxlen']);
                                                        }
                                                        if (isset($pl['opt']['v'])) {
                                                                $annots .= ' /V';
                                                                if (is_array($pl['opt']['v'])) {
                                                                        foreach ($pl['opt']['v'] AS $optval) {
                                                                                if (is_float($optval)) {
                                                                                        $optval = sprintf('%F', $optval);
                                                                                }
                                                                                $annots .= ' '.$optval;
                                                                        }
                                                                } else {
                                                                        $annots .= ' '.$this->_textstring($pl['opt']['v'], $annot_obj_id);
                                                                }
                                                        }
                                                        if (isset($pl['opt']['dv'])) {
                                                                $annots .= ' /DV';
                                                                if (is_array($pl['opt']['dv'])) {
                                                                        foreach ($pl['opt']['dv'] AS $optval) {
                                                                                if (is_float($optval)) {
                                                                                        $optval = sprintf('%F', $optval);
                                                                                }
                                                                                $annots .= ' '.$optval;
                                                                        }
                                                                } else {
                                                                        $annots .= ' '.$this->_textstring($pl['opt']['dv'], $annot_obj_id);
                                                                }
                                                        }
                                                        if (isset($pl['opt']['rv'])) {
                                                                $annots .= ' /RV';
                                                                if (is_array($pl['opt']['rv'])) {
                                                                        foreach ($pl['opt']['rv'] AS $optval) {
                                                                                if (is_float($optval)) {
                                                                                        $optval = sprintf('%F', $optval);
                                                                                }
                                                                                $annots .= ' '.$optval;
                                                                        }
                                                                } else {
                                                                        $annots .= ' '.$this->_textstring($pl['opt']['rv'], $annot_obj_id);
                                                                }
                                                        }
                                                        if (isset($pl['opt']['a']) AND !empty($pl['opt']['a'])) {
                                                                $annots .= ' /A << '.$pl['opt']['a'].' >>';
                                                        }
                                                        if (isset($pl['opt']['aa']) AND !empty($pl['opt']['aa'])) {
                                                                $annots .= ' /AA << '.$pl['opt']['aa'].' >>';
                                                        }
                                                        if (isset($pl['opt']['da']) AND !empty($pl['opt']['da'])) {
                                                                $annots .= ' /DA ('.$pl['opt']['da'].')';
                                                        }
                                                        if (isset($pl['opt']['q']) AND ($pl['opt']['q'] >= 0) AND ($pl['opt']['q'] <= 2)) {
                                                                $annots .= ' /Q '.intval($pl['opt']['q']);
                                                        }
                                                        if (isset($pl['opt']['opt']) AND (is_array($pl['opt']['opt'])) AND !empty($pl['opt']['opt'])) {
                                                                $annots .= ' /Opt [';
                                                                foreach($pl['opt']['opt'] AS $copt) {
                                                                        if (is_array($copt)) {
                                                                                $annots .= ' ['.$this->_textstring($copt[0], $annot_obj_id).' '.$this->_textstring($copt[1], $annot_obj_id).']';
                                                                        } else {
                                                                                $annots .= ' '.$this->_textstring($copt, $annot_obj_id);
                                                                        }
                                                                }
                                                                $annots .= ']';
                                                        }
                                                        if (isset($pl['opt']['ti'])) {
                                                                $annots .= ' /TI '.intval($pl['opt']['ti']);
                                                        }
                                                        if (isset($pl['opt']['i']) AND (is_array($pl['opt']['i'])) AND !empty($pl['opt']['i'])) {
                                                                $annots .= ' /I [';
                                                                foreach($pl['opt']['i'] AS $copt) {
                                                                        $annots .= intval($copt).' ';
                                                                }
                                                                $annots .= ']';
                                                        }
                                                        break;
                                                }
                                                case 'screen': {
                                                        break;
                                                }
                                                case 'printermark': {
                                                        break;
                                                }
                                                case 'trapnet': {
                                                        break;
                                                }
                                                case 'watermark': {
                                                        break;
                                                }
                                                case '3d': {
                                                        break;
                                                }
                                                default: {
                                                        break;
                                                }
                                        }
                                        $annots .= '>>';
                                        // create new annotation object
                                        $this->_out($this->_getobj($annot_obj_id)."\n".$annots."\n".'endobj');
                                        if ($formfield AND !isset($this->radiobutton_groups[$n][$pl['txt']])) {
                                                // store reference of form object
                                                $this->form_obj_id[] = $annot_obj_id;
                                        }
                                }
                        }
                } // end for each page
        }
 
        protected function _putAPXObject($w=0, $h=0, $stream='') {
                $stream = trim($stream);
                $out = $this->_getobj()."\n";
                $this->xobjects['AX'.$this->n] = array('n' => $this->n);
                $out .= '<<';
                $out .= ' /Type /XObject';
                $out .= ' /Subtype /Form';
                $out .= ' /FormType 1';
                if ($this->compress) {
                        $stream = gzcompress($stream);
                        $out .= ' /Filter /FlateDecode';
                }
                $rect = sprintf('%F %F', $w, $h);
                $out .= ' /BBox [0 0 '.$rect.']';
                $out .= ' /Matrix [1 0 0 1 0 0]';
                $out .= ' /Resources 2 0 R';
                $stream = $this->_getrawstream($stream);
                $out .= ' /Length '.strlen($stream);
                $out .= ' >>';
                $out .= ' stream'."\n".$stream."\n".'endstream';
                $out .= "\n".'endobj';
                $this->_out($out);
                return $this->n;
        }
 
        protected function _putfonts() {
                $nf = $this->n;
                foreach ($this->diffs as $diff) {
                        //Encodings
                        $this->_newobj();
                        $this->_out('<< /Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences ['.$diff.'] >>'."\n".'endobj');
                }
                $mqr = TCPDF_STATIC::get_mqr();
                TCPDF_STATIC::set_mqr(false);
                foreach ($this->FontFiles as $file => $info) {
                        // search and get font file to embedd
                        $fontfile = TCPDF_FONTS::getFontFullPath($file, $info['fontdir']);
                        if (!TCPDF_STATIC::empty_string($fontfile)) {
                                $font = file_get_contents($fontfile);
                                $compressed = (substr($file, -2) == '.z');
                                if ((!$compressed) AND (isset($info['length2']))) {
                                        $header = (ord($font[0]) == 128);
                                        if ($header) {
                                                // strip first binary header
                                                $font = substr($font, 6);
                                        }
                                        if ($header AND (ord($font[$info['length1']]) == 128)) {
                                                // strip second binary header
                                                $font = substr($font, 0, $info['length1']).substr($font, ($info['length1'] + 6));
                                        }
                                } elseif ($info['subset'] AND ((!$compressed) OR ($compressed AND function_exists('gzcompress')))) {
                                        if ($compressed) {
                                                // uncompress font
                                                $font = gzuncompress($font);
                                        }
                                        // merge subset characters
                                        $subsetchars = array(); // used chars
                                        foreach ($info['fontkeys'] as $fontkey) {
                                                $fontinfo = $this->getFontBuffer($fontkey);
                                                $subsetchars += $fontinfo['subsetchars'];
                                        }
                                        // rebuild a font subset
                                        $font = TCPDF_FONTS::_getTrueTypeFontSubset($font, $subsetchars);
                                        // calculate new font length
                                        $info['length1'] = strlen($font);
                                        if ($compressed) {
                                                // recompress font
                                                $font = gzcompress($font);
                                        }
                                }
                                $this->_newobj();
                                $this->FontFiles[$file]['n'] = $this->n;
                                $stream = $this->_getrawstream($font);
                                $out = '<< /Length '.strlen($stream);
                                if ($compressed) {
                                        $out .= ' /Filter /FlateDecode';
                                }
                                $out .= ' /Length1 '.$info['length1'];
                                if (isset($info['length2'])) {
                                        $out .= ' /Length2 '.$info['length2'].' /Length3 0';
                                }
                                $out .= ' >>';
                                $out .= ' stream'."\n".$stream."\n".'endstream';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                        }
                }
                TCPDF_STATIC::set_mqr($mqr);
                foreach ($this->fontkeys as $k) {
                        //Font objects
                        $font = $this->getFontBuffer($k);
                        $type = $font['type'];
                        $name = $font['name'];
                        if ($type == 'core') {
                                // standard core font
                                $out = $this->_getobj($this->font_obj_ids[$k])."\n";
                                $out .= '<</Type /Font';
                                $out .= ' /Subtype /Type1';
                                $out .= ' /BaseFont /'.$name;
                                $out .= ' /Name /F'.$font['i'];
                                if ((strtolower($name) != 'symbol') AND (strtolower($name) != 'zapfdingbats')) {
                                        $out .= ' /Encoding /WinAnsiEncoding';
                                }
                                if ($k == 'helvetica') {
                                        // add default font for annotations
                                        $this->annotation_fonts[$k] = $font['i'];
                                }
                                $out .= ' >>';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                        } elseif (($type == 'Type1') OR ($type == 'TrueType')) {
                                // additional Type1 or TrueType font
                                $out = $this->_getobj($this->font_obj_ids[$k])."\n";
                                $out .= '<</Type /Font';
                                $out .= ' /Subtype /'.$type;
                                $out .= ' /BaseFont /'.$name;
                                $out .= ' /Name /F'.$font['i'];
                                $out .= ' /FirstChar 32 /LastChar 255';
                                $out .= ' /Widths '.($this->n + 1).' 0 R';
                                $out .= ' /FontDescriptor '.($this->n + 2).' 0 R';
                                if ($font['enc']) {
                                        if (isset($font['diff'])) {
                                                $out .= ' /Encoding '.($nf + $font['diff']).' 0 R';
                                        } else {
                                                $out .= ' /Encoding /WinAnsiEncoding';
                                        }
                                }
                                $out .= ' >>';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                                // Widths
                                $this->_newobj();
                                $s = '[';
                                for ($i = 32; $i < 256; ++$i) {
                                        if (isset($font['cw'][$i])) {
                                                $s .= $font['cw'][$i].' ';
                                        } else {
                                                $s .= $font['dw'].' ';
                                        }
                                }
                                $s .= ']';
                                $s .= "\n".'endobj';
                                $this->_out($s);
                                //Descriptor
                                $this->_newobj();
                                $s = '<</Type /FontDescriptor /FontName /'.$name;
                                foreach ($font['desc'] as $fdk => $fdv) {
                                        if (is_float($fdv)) {
                                                $fdv = sprintf('%F', $fdv);
                                        }
                                        $s .= ' /'.$fdk.' '.$fdv.'';
                                }
                                if (!TCPDF_STATIC::empty_string($font['file'])) {
                                        $s .= ' /FontFile'.($type == 'Type1' ? '' : '2').' '.$this->FontFiles[$font['file']]['n'].' 0 R';
                                }
                                $s .= '>>';
                                $s .= "\n".'endobj';
                                $this->_out($s);
                        } else {
                                // additional types
                                $mtd = '_put'.strtolower($type);
                                if (!method_exists($this, $mtd)) {
                                        $this->Error('Unsupported font type: '.$type);
                                }
                                $this->$mtd($font);
                        }
                }
        }
 
        protected function _puttruetypeunicode($font) {
                $fontname = '';
                if ($font['subset']) {
                        // change name for font subsetting
                        $subtag = sprintf('%06u', $font['i']);
                        $subtag = strtr($subtag, '0123456789', 'ABCDEFGHIJ');
                        $fontname .= $subtag.'+';
                }
                $fontname .= $font['name'];
                // Type0 Font
                // A composite font composed of other fonts, organized hierarchically
                $out = $this->_getobj($this->font_obj_ids[$font['fontkey']])."\n";
                $out .= '<< /Type /Font';
                $out .= ' /Subtype /Type0';
                $out .= ' /BaseFont /'.$fontname;
                $out .= ' /Name /F'.$font['i'];
                $out .= ' /Encoding /'.$font['enc'];
                $out .= ' /ToUnicode '.($this->n + 1).' 0 R';
                $out .= ' /DescendantFonts ['.($this->n + 2).' 0 R]';
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
                // ToUnicode map for Identity-H
                $stream = TCPDF_FONT_DATA::$uni_identity_h;
                // ToUnicode Object
                $this->_newobj();
                $stream = ($this->compress) ? gzcompress($stream) : $stream;
                $filter = ($this->compress) ? '/Filter /FlateDecode ' : '';
                $stream = $this->_getrawstream($stream);
                $this->_out('<<'.$filter.'/Length '.strlen($stream).'>> stream'."\n".$stream."\n".'endstream'."\n".'endobj');
                // CIDFontType2
                // A CIDFont whose glyph descriptions are based on TrueType font technology
                $oid = $this->_newobj();
                $out = '<< /Type /Font';
                $out .= ' /Subtype /CIDFontType2';
                $out .= ' /BaseFont /'.$fontname;
                // A dictionary containing entries that define the character collection of the CIDFont.
                $cidinfo = '/Registry '.$this->_datastring($font['cidinfo']['Registry'], $oid);
                $cidinfo .= ' /Ordering '.$this->_datastring($font['cidinfo']['Ordering'], $oid);
                $cidinfo .= ' /Supplement '.$font['cidinfo']['Supplement'];
                $out .= ' /CIDSystemInfo << '.$cidinfo.' >>';
                $out .= ' /FontDescriptor '.($this->n + 1).' 0 R';
                $out .= ' /DW '.$font['dw']; // default width
                $out .= "\n".TCPDF_FONTS::_putfontwidths($font, 0);
                if (isset($font['ctg']) AND (!TCPDF_STATIC::empty_string($font['ctg']))) {
                        $out .= "\n".'/CIDToGIDMap '.($this->n + 2).' 0 R';
                }
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
                // Font descriptor
                // A font descriptor describing the CIDFont default metrics other than its glyph widths
                $this->_newobj();
                $out = '<< /Type /FontDescriptor';
                $out .= ' /FontName /'.$fontname;
                foreach ($font['desc'] as $key => $value) {
                        if (is_float($value)) {
                                $value = sprintf('%F', $value);
                        }
                        $out .= ' /'.$key.' '.$value;
                }
                $fontdir = false;
                if (!TCPDF_STATIC::empty_string($font['file'])) {
                        // A stream containing a TrueType font
                        $out .= ' /FontFile2 '.$this->FontFiles[$font['file']]['n'].' 0 R';
                        $fontdir = $this->FontFiles[$font['file']]['fontdir'];
                }
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
                if (isset($font['ctg']) AND (!TCPDF_STATIC::empty_string($font['ctg']))) {
                        $this->_newobj();
                        // Embed CIDToGIDMap
                        // A specification of the mapping from CIDs to glyph indices
                        // search and get CTG font file to embedd
                        $ctgfile = strtolower($font['ctg']);
                        // search and get ctg font file to embedd
                        $fontfile = TCPDF_FONTS::getFontFullPath($ctgfile, $fontdir);
                        if (TCPDF_STATIC::empty_string($fontfile)) {
                                $this->Error('Font file not found: '.$ctgfile);
                        }
                        $stream = $this->_getrawstream(file_get_contents($fontfile));
                        $out = '<< /Length '.strlen($stream).'';
                        if (substr($fontfile, -2) == '.z') { // check file extension
                                // Decompresses data encoded using the public-domain
                                // zlib/deflate compression method, reproducing the
                                // original text or binary data
                                $out .= ' /Filter /FlateDecode';
                        }
                        $out .= ' >>';
                        $out .= ' stream'."\n".$stream."\n".'endstream';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                }
        }
 
        protected function _putcidfont0($font) {
                $cidoffset = 0;
                if (!isset($font['cw'][1])) {
                        $cidoffset = 31;
                }
                if (isset($font['cidinfo']['uni2cid'])) {
                        // convert unicode to cid.
                        $uni2cid = $font['cidinfo']['uni2cid'];
                        $cw = array();
                        foreach ($font['cw'] as $uni => $width) {
                                if (isset($uni2cid[$uni])) {
                                        $cw[($uni2cid[$uni] + $cidoffset)] = $width;
                                } elseif ($uni < 256) {
                                        $cw[$uni] = $width;
                                } // else unknown character
                        }
                        $font = array_merge($font, array('cw' => $cw));
                }
                $name = $font['name'];
                $enc = $font['enc'];
                if ($enc) {
                        $longname = $name.'-'.$enc;
                } else {
                        $longname = $name;
                }
                $out = $this->_getobj($this->font_obj_ids[$font['fontkey']])."\n";
                $out .= '<</Type /Font';
                $out .= ' /Subtype /Type0';
                $out .= ' /BaseFont /'.$longname;
                $out .= ' /Name /F'.$font['i'];
                if ($enc) {
                        $out .= ' /Encoding /'.$enc;
                }
                $out .= ' /DescendantFonts ['.($this->n + 1).' 0 R]';
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
                $oid = $this->_newobj();
                $out = '<</Type /Font';
                $out .= ' /Subtype /CIDFontType0';
                $out .= ' /BaseFont /'.$name;
                $cidinfo = '/Registry '.$this->_datastring($font['cidinfo']['Registry'], $oid);
                $cidinfo .= ' /Ordering '.$this->_datastring($font['cidinfo']['Ordering'], $oid);
                $cidinfo .= ' /Supplement '.$font['cidinfo']['Supplement'];
                $out .= ' /CIDSystemInfo <<'.$cidinfo.'>>';
                $out .= ' /FontDescriptor '.($this->n + 1).' 0 R';
                $out .= ' /DW '.$font['dw'];
                $out .= "\n".TCPDF_FONTS::_putfontwidths($font, $cidoffset);
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
                $this->_newobj();
                $s = '<</Type /FontDescriptor /FontName /'.$name;
                foreach ($font['desc'] as $k => $v) {
                        if ($k != 'Style') {
                                if (is_float($v)) {
                                        $v = sprintf('%F', $v);
                                }
                                $s .= ' /'.$k.' '.$v.'';
                        }
                }
                $s .= '>>';
                $s .= "\n".'endobj';
                $this->_out($s);
        }
 
        protected function _putimages() {
                $filter = ($this->compress) ? '/Filter /FlateDecode ' : '';
                foreach ($this->imagekeys as $file) {
                        $info = $this->getImageBuffer($file);
                        // set object for alternate images array
                        if ((!$this->pdfa_mode) AND isset($info['altimgs']) AND !empty($info['altimgs'])) {
                                $altoid = $this->_newobj();
                                $out = '[';
                                foreach ($info['altimgs'] as $altimage) {
                                        if (isset($this->xobjects['I'.$altimage[0]]['n'])) {
                                                $out .= ' << /Image '.$this->xobjects['I'.$altimage[0]]['n'].' 0 R';
                                                $out .= ' /DefaultForPrinting';
                                                if ($altimage[1] === true) {
                                                        $out .= ' true';
                                                } else {
                                                        $out .= ' false';
                                                }
                                                $out .= ' >>';
                                        }
                                }
                                $out .= ' ]';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                        }
                        // set image object
                        $oid = $this->_newobj();
                        $this->xobjects['I'.$info['i']] = array('n' => $oid);
                        $this->setImageSubBuffer($file, 'n', $this->n);
                        $out = '<</Type /XObject';
                        $out .= ' /Subtype /Image';
                        $out .= ' /Width '.$info['w'];
                        $out .= ' /Height '.$info['h'];
                        if (array_key_exists('masked', $info)) {
                                $out .= ' /SMask '.($this->n - 1).' 0 R';
                        }
                        // set color space
                        $icc = false;
                        if (isset($info['icc']) AND ($info['icc'] !== false)) {
                                // ICC Colour Space
                                $icc = true;
                                $out .= ' /ColorSpace [/ICCBased '.($this->n + 1).' 0 R]';
                        } elseif ($info['cs'] == 'Indexed') {
                                // Indexed Colour Space
                                $out .= ' /ColorSpace [/Indexed /DeviceRGB '.((strlen($info['pal']) / 3) - 1).' '.($this->n + 1).' 0 R]';
                        } else {
                                // Device Colour Space
                                $out .= ' /ColorSpace /'.$info['cs'];
                        }
                        if ($info['cs'] == 'DeviceCMYK') {
                                $out .= ' /Decode [1 0 1 0 1 0 1 0]';
                        }
                        $out .= ' /BitsPerComponent '.$info['bpc'];
                        if (isset($altoid) AND ($altoid > 0)) {
                                // reference to alternate images dictionary
                                $out .= ' /Alternates '.$altoid.' 0 R';
                        }
                        if (isset($info['exurl']) AND !empty($info['exurl'])) {
                                // external stream
                                $out .= ' /Length 0';
                                $out .= ' /F << /FS /URL /F '.$this->_datastring($info['exurl'], $oid).' >>';
                                if (isset($info['f'])) {
                                        $out .= ' /FFilter /'.$info['f'];
                                }
                                $out .= ' >>';
                                $out .= ' stream'."\n".'endstream';
                        } else {
                                if (isset($info['f'])) {
                                        $out .= ' /Filter /'.$info['f'];
                                }
                                if (isset($info['parms'])) {
                                        $out .= ' '.$info['parms'];
                                }
                                if (isset($info['trns']) AND is_array($info['trns'])) {
                                        $trns = '';
                                        $count_info = count($info['trns']);
                                        if ($info['cs'] == 'Indexed') {
                                                $maxval =(pow(2, $info['bpc']) - 1);
                                                for ($i = 0; $i < $count_info; ++$i) {
                                                        if (($info['trns'][$i] != 0) AND ($info['trns'][$i] != $maxval)) {
                                                                // this is not a binary type mask @TODO: create a SMask
                                                                $trns = '';
                                                                break;
                                                        } elseif (empty($trns) AND ($info['trns'][$i] == 0)) {
                                                                // store the first fully transparent value
                                                                $trns .= $i.' '.$i.' ';
                                                        }
                                                }
                                        } else {
                                                // grayscale or RGB
                                                for ($i = 0; $i < $count_info; ++$i) {
                                                        if ($info['trns'][$i] == 0) {
                                                                $trns .= $info['trns'][$i].' '.$info['trns'][$i].' ';
                                                        }
                                                }
                                        }
                                        // Colour Key Masking
                                        if (!empty($trns)) {
                                                $out .= ' /Mask ['.$trns.']';
                                        }
                                }
                                $stream = $this->_getrawstream($info['data']);
                                $out .= ' /Length '.strlen($stream).' >>';
                                $out .= ' stream'."\n".$stream."\n".'endstream';
                        }
                        $out .= "\n".'endobj';
                        $this->_out($out);
                        if ($icc) {
                                // ICC colour profile
                                $this->_newobj();
                                $icc = ($this->compress) ? gzcompress($info['icc']) : $info['icc'];
                                $icc = $this->_getrawstream($icc);
                                $this->_out('<</N '.$info['ch'].' /Alternate /'.$info['cs'].' '.$filter.'/Length '.strlen($icc).'>> stream'."\n".$icc."\n".'endstream'."\n".'endobj');
                        } elseif ($info['cs'] == 'Indexed') {
                                // colour palette
                                $this->_newobj();
                                $pal = ($this->compress) ? gzcompress($info['pal']) : $info['pal'];
                                $pal = $this->_getrawstream($pal);
                                $this->_out('<<'.$filter.'/Length '.strlen($pal).'>> stream'."\n".$pal."\n".'endstream'."\n".'endobj');
                        }
                }
        }
 
        protected function _putxobjects() {
                foreach ($this->xobjects as $key => $data) {
                        if (isset($data['outdata'])) {
                                $stream = str_replace($this->epsmarker, '', trim($data['outdata']));
                                $out = $this->_getobj($data['n'])."\n";
                                $out .= '<<';
                                $out .= ' /Type /XObject';
                                $out .= ' /Subtype /Form';
                                $out .= ' /FormType 1';
                                if ($this->compress) {
                                        $stream = gzcompress($stream);
                                        $out .= ' /Filter /FlateDecode';
                                }
                                $out .= sprintf(' /BBox [%F %F %F %F]', ($data['x'] * $this->k), (-$data['y'] * $this->k), (($data['w'] + $data['x']) * $this->k), (($data['h'] - $data['y']) * $this->k));
                                $out .= ' /Matrix [1 0 0 1 0 0]';
                                $out .= ' /Resources <<';
                                $out .= ' /ProcSet [/PDF /Text /ImageB /ImageC /ImageI]';
                                if (!$this->pdfa_mode) {
                                        // transparency
                                        if (isset($data['extgstates']) AND !empty($data['extgstates'])) {
                                                $out .= ' /ExtGState <<';
                                                foreach ($data['extgstates'] as $k => $extgstate) {
                                                        if (isset($this->extgstates[$k]['name'])) {
                                                                $out .= ' /'.$this->extgstates[$k]['name'];
                                                        } else {
                                                                $out .= ' /GS'.$k;
                                                        }
                                                        $out .= ' '.$this->extgstates[$k]['n'].' 0 R';
                                                }
                                                $out .= ' >>';
                                        }
                                        if (isset($data['gradients']) AND !empty($data['gradients'])) {
                                                $gp = '';
                                                $gs = '';
                                                foreach ($data['gradients'] as $id => $grad) {
                                                        // gradient patterns
                                                        $gp .= ' /p'.$id.' '.$this->gradients[$id]['pattern'].' 0 R';
                                                        // gradient shadings
                                                        $gs .= ' /Sh'.$id.' '.$this->gradients[$id]['id'].' 0 R';
                                                }
                                                $out .= ' /Pattern <<'.$gp.' >>';
                                                $out .= ' /Shading <<'.$gs.' >>';
                                        }
                                }
                                // spot colors
                                if (isset($data['spot_colors']) AND !empty($data['spot_colors'])) {
                                        $out .= ' /ColorSpace <<';
                                        foreach ($data['spot_colors'] as $name => $color) {
                                                $out .= ' /CS'.$color['i'].' '.$this->spot_colors[$name]['n'].' 0 R';
                                        }
                                        $out .= ' >>';
                                }
                                // fonts
                                if (!empty($data['fonts'])) {
                                        $out .= ' /Font <<';
                                        foreach ($data['fonts'] as $fontkey => $fontid) {
                                                $out .= ' /F'.$fontid.' '.$this->font_obj_ids[$fontkey].' 0 R';
                                        }
                                        $out .= ' >>';
                                }
                                // images or nested xobjects
                                if (!empty($data['images']) OR !empty($data['xobjects'])) {
                                        $out .= ' /XObject <<';
                                        foreach ($data['images'] as $imgid) {
                                                $out .= ' /I'.$imgid.' '.$this->xobjects['I'.$imgid]['n'].' 0 R';
                                        }
                                        foreach ($data['xobjects'] as $sub_id => $sub_objid) {
                                                $out .= ' /'.$sub_id.' '.$sub_objid['n'].' 0 R';
                                        }
                                        $out .= ' >>';
                                }
                                $out .= ' >>'; //end resources
                                if (isset($data['group']) AND ($data['group'] !== false)) {
                                        // set transparency group
                                        $out .= ' /Group << /Type /Group /S /Transparency';
                                        if (is_array($data['group'])) {
                                                if (isset($data['group']['CS']) AND !empty($data['group']['CS'])) {
                                                        $out .= ' /CS /'.$data['group']['CS'];
                                                }
                                                if (isset($data['group']['I'])) {
                                                        $out .= ' /I /'.($data['group']['I']===true?'true':'false');
                                                }
                                                if (isset($data['group']['K'])) {
                                                        $out .= ' /K /'.($data['group']['K']===true?'true':'false');
                                                }
                                        }
                                        $out .= ' >>';
                                }
                                $stream = $this->_getrawstream($stream, $data['n']);
                                $out .= ' /Length '.strlen($stream);
                                $out .= ' >>';
                                $out .= ' stream'."\n".$stream."\n".'endstream';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                        }
                }
        }
 
        protected function _putspotcolors() {
                foreach ($this->spot_colors as $name => $color) {
                        $this->_newobj();
                        $this->spot_colors[$name]['n'] = $this->n;
                        $out = '[/Separation /'.str_replace(' ', '#20', $name);
                        $out .= ' /DeviceCMYK <<';
                        $out .= ' /Range [0 1 0 1 0 1 0 1] /C0 [0 0 0 0]';
                        $out .= ' '.sprintf('/C1 [%F %F %F %F] ', ($color['C'] / 100), ($color['M'] / 100), ($color['Y'] / 100), ($color['K'] / 100));
                        $out .= ' /FunctionType 2 /Domain [0 1] /N 1>>]';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                }
        }
 
        protected function _getxobjectdict() {
                $out = '';
                foreach ($this->xobjects as $id => $objid) {
                        $out .= ' /'.$id.' '.$objid['n'].' 0 R';
                }
                return $out;
        }
 
        protected function _putresourcedict() {
                $out = $this->_getobj(2)."\n";
                $out .= '<< /ProcSet [/PDF /Text /ImageB /ImageC /ImageI]';
                $out .= ' /Font <<';
                foreach ($this->fontkeys as $fontkey) {
                        $font = $this->getFontBuffer($fontkey);
                        $out .= ' /F'.$font['i'].' '.$font['n'].' 0 R';
                }
                $out .= ' >>';
                $out .= ' /XObject <<';
                $out .= $this->_getxobjectdict();
                $out .= ' >>';
                // layers
                if (!empty($this->pdflayers)) {
                        $out .= ' /Properties <<';
                        foreach ($this->pdflayers as $layer) {
                                $out .= ' /'.$layer['layer'].' '.$layer['objid'].' 0 R';
                        }
                        $out .= ' >>';
                }
                if (!$this->pdfa_mode) {
                        // transparency
                        if (isset($this->extgstates) AND !empty($this->extgstates)) {
                                $out .= ' /ExtGState <<';
                                foreach ($this->extgstates as $k => $extgstate) {
                                        if (isset($extgstate['name'])) {
                                                $out .= ' /'.$extgstate['name'];
                                        } else {
                                                $out .= ' /GS'.$k;
                                        }
                                        $out .= ' '.$extgstate['n'].' 0 R';
                                }
                                $out .= ' >>';
                        }
                        if (isset($this->gradients) AND !empty($this->gradients)) {
                                $gp = '';
                                $gs = '';
                                foreach ($this->gradients as $id => $grad) {
                                        // gradient patterns
                                        $gp .= ' /p'.$id.' '.$grad['pattern'].' 0 R';
                                        // gradient shadings
                                        $gs .= ' /Sh'.$id.' '.$grad['id'].' 0 R';
                                }
                                $out .= ' /Pattern <<'.$gp.' >>';
                                $out .= ' /Shading <<'.$gs.' >>';
                        }
                }
                // spot colors
                if (isset($this->spot_colors) AND !empty($this->spot_colors)) {
                        $out .= ' /ColorSpace <<';
                        foreach ($this->spot_colors as $color) {
                                $out .= ' /CS'.$color['i'].' '.$color['n'].' 0 R';
                        }
                        $out .= ' >>';
                }
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
        }
 
        protected function _putresources() {
                $this->_putextgstates();
                $this->_putocg();
                $this->_putfonts();
                $this->_putimages();
                $this->_putspotcolors();
                $this->_putshaders();
                $this->_putxobjects();
                $this->_putresourcedict();
                $this->_putdests();
                $this->_putEmbeddedFiles();
                $this->_putannotsobjs();
                $this->_putjavascript();
                $this->_putbookmarks();
                $this->_putencryption();
        }
 
        protected function _putinfo() {
                $oid = $this->_newobj();
                $out = '<<';
                // store current isunicode value
                $prev_isunicode = $this->isunicode;
                if ($this->docinfounicode) {
                        $this->isunicode = true;
                }
                if (!TCPDF_STATIC::empty_string($this->title)) {
                        // The document's title.
                        $out .= ' /Title '.$this->_textstring($this->title, $oid);
                }
                if (!TCPDF_STATIC::empty_string($this->author)) {
                        // The name of the person who created the document.
                        $out .= ' /Author '.$this->_textstring($this->author, $oid);
                }
                if (!TCPDF_STATIC::empty_string($this->subject)) {
                        // The subject of the document.
                        $out .= ' /Subject '.$this->_textstring($this->subject, $oid);
                }
                if (!TCPDF_STATIC::empty_string($this->keywords)) {
                        // Keywords associated with the document.
                        $out .= ' /Keywords '.$this->_textstring($this->keywords, $oid);
                }
                if (!TCPDF_STATIC::empty_string($this->creator)) {
                        // If the document was converted to PDF from another format, the name of the conforming product that created the original document from which it was converted.
                        $out .= ' /Creator '.$this->_textstring($this->creator, $oid);
                }
                // restore previous isunicode value
                $this->isunicode = $prev_isunicode;
                // default producer
                $out .= ' /Producer '.$this->_textstring(TCPDF_STATIC::getTCPDFProducer(), $oid);
                // The date and time the document was created, in human-readable form
                $out .= ' /CreationDate '.$this->_datestring(0, $this->doc_creation_timestamp);
                // The date and time the document was most recently modified, in human-readable form
                $out .= ' /ModDate '.$this->_datestring(0, $this->doc_modification_timestamp);
                // A name object indicating whether the document has been modified to include trapping information
                $out .= ' /Trapped /False';
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
                return $oid;
        }
 
        public function setExtraXMP($xmp) {
                $this->custom_xmp = $xmp;
        }
 
        protected function _putXMP() {
                $oid = $this->_newobj();
                // store current isunicode value
                $prev_isunicode = $this->isunicode;
                $this->isunicode = true;
                $prev_encrypted = $this->encrypted;
                $this->encrypted = false;
                // set XMP data
                $xmp = '<?xpacket begin="'.TCPDF_FONTS::unichr(0xfeff, $this->isunicode).'" id="W5M0MpCehiHzreSzNTczkc9d"?>'."\n";
                $xmp .= '<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 4.2.1-c043 52.372728, 2009/01/18-15:08:04">'."\n";
                $xmp .= "\t".'<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">'."\n";
                $xmp .= "\t\t".'<rdf:Description rdf:about="" xmlns:dc="http://purl.org/dc/elements/1.1/">'."\n";
                $xmp .= "\t\t\t".'<dc:format>application/pdf</dc:format>'."\n";
                $xmp .= "\t\t\t".'<dc:title>'."\n";
                $xmp .= "\t\t\t\t".'<rdf:Alt>'."\n";
                $xmp .= "\t\t\t\t\t".'<rdf:li xml:lang="x-default">'.TCPDF_STATIC::_escapeXML($this->title).'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t".'</rdf:Alt>'."\n";
                $xmp .= "\t\t\t".'</dc:title>'."\n";
                $xmp .= "\t\t\t".'<dc:creator>'."\n";
                $xmp .= "\t\t\t\t".'<rdf:Seq>'."\n";
                $xmp .= "\t\t\t\t\t".'<rdf:li>'.TCPDF_STATIC::_escapeXML($this->author).'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t".'</rdf:Seq>'."\n";
                $xmp .= "\t\t\t".'</dc:creator>'."\n";
                $xmp .= "\t\t\t".'<dc:description>'."\n";
                $xmp .= "\t\t\t\t".'<rdf:Alt>'."\n";
                $xmp .= "\t\t\t\t\t".'<rdf:li xml:lang="x-default">'.TCPDF_STATIC::_escapeXML($this->subject).'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t".'</rdf:Alt>'."\n";
                $xmp .= "\t\t\t".'</dc:description>'."\n";
                $xmp .= "\t\t\t".'<dc:subject>'."\n";
                $xmp .= "\t\t\t\t".'<rdf:Bag>'."\n";
                $xmp .= "\t\t\t\t\t".'<rdf:li>'.TCPDF_STATIC::_escapeXML($this->keywords).'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t".'</rdf:Bag>'."\n";
                $xmp .= "\t\t\t".'</dc:subject>'."\n";
                $xmp .= "\t\t".'</rdf:Description>'."\n";
                // convert doc creation date format
                $dcdate = TCPDF_STATIC::getFormattedDate($this->doc_creation_timestamp);
                $doccreationdate = substr($dcdate, 0, 4).'-'.substr($dcdate, 4, 2).'-'.substr($dcdate, 6, 2);
                $doccreationdate .= 'T'.substr($dcdate, 8, 2).':'.substr($dcdate, 10, 2).':'.substr($dcdate, 12, 2);
                $doccreationdate .= substr($dcdate, 14, 3).':'.substr($dcdate, 18, 2);
                $doccreationdate = TCPDF_STATIC::_escapeXML($doccreationdate);
                // convert doc modification date format
                $dmdate = TCPDF_STATIC::getFormattedDate($this->doc_modification_timestamp);
                $docmoddate = substr($dmdate, 0, 4).'-'.substr($dmdate, 4, 2).'-'.substr($dmdate, 6, 2);
                $docmoddate .= 'T'.substr($dmdate, 8, 2).':'.substr($dmdate, 10, 2).':'.substr($dmdate, 12, 2);
                $docmoddate .= substr($dmdate, 14, 3).':'.substr($dmdate, 18, 2);
                $docmoddate = TCPDF_STATIC::_escapeXML($docmoddate);
                $xmp .= "\t\t".'<rdf:Description rdf:about="" xmlns:xmp="http://ns.adobe.com/xap/1.0/">'."\n";
                $xmp .= "\t\t\t".'<xmp:CreateDate>'.$doccreationdate.'</xmp:CreateDate>'."\n";
                $xmp .= "\t\t\t".'<xmp:CreatorTool>'.$this->creator.'</xmp:CreatorTool>'."\n";
                $xmp .= "\t\t\t".'<xmp:ModifyDate>'.$docmoddate.'</xmp:ModifyDate>'."\n";
                $xmp .= "\t\t\t".'<xmp:MetadataDate>'.$doccreationdate.'</xmp:MetadataDate>'."\n";
                $xmp .= "\t\t".'</rdf:Description>'."\n";
                $xmp .= "\t\t".'<rdf:Description rdf:about="" xmlns:pdf="http://ns.adobe.com/pdf/1.3/">'."\n";
                $xmp .= "\t\t\t".'<pdf:Keywords>'.TCPDF_STATIC::_escapeXML($this->keywords).'</pdf:Keywords>'."\n";
                $xmp .= "\t\t\t".'<pdf:Producer>'.TCPDF_STATIC::_escapeXML(TCPDF_STATIC::getTCPDFProducer()).'</pdf:Producer>'."\n";
                $xmp .= "\t\t".'</rdf:Description>'."\n";
                $xmp .= "\t\t".'<rdf:Description rdf:about="" xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/">'."\n";
                $uuid = 'uuid:'.substr($this->file_id, 0, 8).'-'.substr($this->file_id, 8, 4).'-'.substr($this->file_id, 12, 4).'-'.substr($this->file_id, 16, 4).'-'.substr($this->file_id, 20, 12);
                $xmp .= "\t\t\t".'<xmpMM:DocumentID>'.$uuid.'</xmpMM:DocumentID>'."\n";
                $xmp .= "\t\t\t".'<xmpMM:InstanceID>'.$uuid.'</xmpMM:InstanceID>'."\n";
                $xmp .= "\t\t".'</rdf:Description>'."\n";
                if ($this->pdfa_mode) {
                        $xmp .= "\t\t".'<rdf:Description rdf:about="" xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/">'."\n";
                        $xmp .= "\t\t\t".'<pdfaid:part>1</pdfaid:part>'."\n";
                        $xmp .= "\t\t\t".'<pdfaid:conformance>B</pdfaid:conformance>'."\n";
                        $xmp .= "\t\t".'</rdf:Description>'."\n";
                }
                // XMP extension schemas
                $xmp .= "\t\t".'<rdf:Description rdf:about="" xmlns:pdfaExtension="http://www.aiim.org/pdfa/ns/extension/" xmlns:pdfaSchema="http://www.aiim.org/pdfa/ns/schema#" xmlns:pdfaProperty="http://www.aiim.org/pdfa/ns/property#">'."\n";
                $xmp .= "\t\t\t".'<pdfaExtension:schemas>'."\n";
                $xmp .= "\t\t\t\t".'<rdf:Bag>'."\n";
                $xmp .= "\t\t\t\t\t".'<rdf:li rdf:parseType="Resource">'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:namespaceURI>http://ns.adobe.com/pdf/1.3/</pdfaSchema:namespaceURI>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:prefix>pdf</pdfaSchema:prefix>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:schema>Adobe PDF Schema</pdfaSchema:schema>'."\n";
                $xmp .= "\t\t\t\t\t".'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t\t".'<rdf:li rdf:parseType="Resource">'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:namespaceURI>http://ns.adobe.com/xap/1.0/mm/</pdfaSchema:namespaceURI>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:prefix>xmpMM</pdfaSchema:prefix>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:schema>XMP Media Management Schema</pdfaSchema:schema>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:property>'."\n";
                $xmp .= "\t\t\t\t\t\t\t".'<rdf:Seq>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'<rdf:li rdf:parseType="Resource">'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:category>internal</pdfaProperty:category>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:description>UUID based identifier for specific incarnation of a document</pdfaProperty:description>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:name>InstanceID</pdfaProperty:name>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:valueType>URI</pdfaProperty:valueType>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t\t\t\t".'</rdf:Seq>'."\n";
                $xmp .= "\t\t\t\t\t\t".'</pdfaSchema:property>'."\n";
                $xmp .= "\t\t\t\t\t".'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t\t".'<rdf:li rdf:parseType="Resource">'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:namespaceURI>http://www.aiim.org/pdfa/ns/id/</pdfaSchema:namespaceURI>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:prefix>pdfaid</pdfaSchema:prefix>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:schema>PDF/A ID Schema</pdfaSchema:schema>'."\n";
                $xmp .= "\t\t\t\t\t\t".'<pdfaSchema:property>'."\n";
                $xmp .= "\t\t\t\t\t\t\t".'<rdf:Seq>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'<rdf:li rdf:parseType="Resource">'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:category>internal</pdfaProperty:category>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:description>Part of PDF/A standard</pdfaProperty:description>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:name>part</pdfaProperty:name>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:valueType>Integer</pdfaProperty:valueType>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'<rdf:li rdf:parseType="Resource">'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:category>internal</pdfaProperty:category>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:description>Amendment of PDF/A standard</pdfaProperty:description>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:name>amd</pdfaProperty:name>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:valueType>Text</pdfaProperty:valueType>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'<rdf:li rdf:parseType="Resource">'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:category>internal</pdfaProperty:category>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:description>Conformance level of PDF/A standard</pdfaProperty:description>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:name>conformance</pdfaProperty:name>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t\t".'<pdfaProperty:valueType>Text</pdfaProperty:valueType>'."\n";
                $xmp .= "\t\t\t\t\t\t\t\t".'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t\t\t\t".'</rdf:Seq>'."\n";
                $xmp .= "\t\t\t\t\t\t".'</pdfaSchema:property>'."\n";
                $xmp .= "\t\t\t\t\t".'</rdf:li>'."\n";
                $xmp .= "\t\t\t\t".'</rdf:Bag>'."\n";
                $xmp .= "\t\t\t".'</pdfaExtension:schemas>'."\n";
                $xmp .= "\t\t".'</rdf:Description>'."\n";
                $xmp .= "\t".'</rdf:RDF>'."\n";
                $xmp .= $this->custom_xmp;
                $xmp .= '</x:xmpmeta>'."\n";
                $xmp .= '<?xpacket end="w"?>';
                $out = '<< /Type /Metadata /Subtype /XML /Length '.strlen($xmp).' >> stream'."\n".$xmp."\n".'endstream'."\n".'endobj';
                // restore previous isunicode value
                $this->isunicode = $prev_isunicode;
                $this->encrypted = $prev_encrypted;
                $this->_out($out);
                return $oid;
        }
 
        protected function _putcatalog() {
                // put XMP
                $xmpobj = $this->_putXMP();
                // if required, add standard sRGB_IEC61966-2.1 blackscaled ICC colour profile
                if ($this->pdfa_mode OR $this->force_srgb) {
                        $iccobj = $this->_newobj();
                        $icc = file_get_contents(dirname(__FILE__).'/include/sRGB.icc');
                        $filter = '';
                        if ($this->compress) {
                                $filter = ' /Filter /FlateDecode';
                                $icc = gzcompress($icc);
                        }
                        $icc = $this->_getrawstream($icc);
                        $this->_out('<</N 3 '.$filter.'/Length '.strlen($icc).'>> stream'."\n".$icc."\n".'endstream'."\n".'endobj');
                }
                // start catalog
                $oid = $this->_newobj();
                $out = '<< /Type /Catalog';
                $out .= ' /Version /'.$this->PDFVersion;
                //$out .= ' /Extensions <<>>';
                $out .= ' /Pages 1 0 R';
                //$out .= ' /PageLabels ' //...;
                $out .= ' /Names <<';
                if ((!$this->pdfa_mode) AND !empty($this->n_js)) {
                        $out .= ' /JavaScript '.$this->n_js;
                }
                if (!empty($this->efnames)) {
                        $out .= ' /EmbeddedFiles <</Names [';
                        foreach ($this->efnames AS $fn => $fref) {
                                $out .= ' '.$this->_datastring($fn).' '.$fref;
                        }
                        $out .= ' ]>>';
                }
                $out .= ' >>';
                if (!empty($this->dests)) {
                        $out .= ' /Dests '.($this->n_dests).' 0 R';
                }
                $out .= $this->_putviewerpreferences();
                if (isset($this->LayoutMode) AND (!TCPDF_STATIC::empty_string($this->LayoutMode))) {
                        $out .= ' /PageLayout /'.$this->LayoutMode;
                }
                if (isset($this->PageMode) AND (!TCPDF_STATIC::empty_string($this->PageMode))) {
                        $out .= ' /PageMode /'.$this->PageMode;
                }
                if (count($this->outlines) > 0) {
                        $out .= ' /Outlines '.$this->OutlineRoot.' 0 R';
                        $out .= ' /PageMode /UseOutlines';
                }
                //$out .= ' /Threads []';
                if ($this->ZoomMode == 'fullpage') {
                        $out .= ' /OpenAction ['.$this->page_obj_id[1].' 0 R /Fit]';
                } elseif ($this->ZoomMode == 'fullwidth') {
                        $out .= ' /OpenAction ['.$this->page_obj_id[1].' 0 R /FitH null]';
                } elseif ($this->ZoomMode == 'real') {
                        $out .= ' /OpenAction ['.$this->page_obj_id[1].' 0 R /XYZ null null 1]';
                } elseif (!is_string($this->ZoomMode)) {
                        $out .= sprintf(' /OpenAction ['.$this->page_obj_id[1].' 0 R /XYZ null null %F]', ($this->ZoomMode / 100));
                }
                //$out .= ' /AA <<>>';
                //$out .= ' /URI <<>>';
                $out .= ' /Metadata '.$xmpobj.' 0 R';
                //$out .= ' /StructTreeRoot <<>>';
                //$out .= ' /MarkInfo <<>>';
                if (isset($this->l['a_meta_language'])) {
                        $out .= ' /Lang '.$this->_textstring($this->l['a_meta_language'], $oid);
                }
                //$out .= ' /SpiderInfo <<>>';
                // set OutputIntent to sRGB IEC61966-2.1 if required
                if ($this->pdfa_mode OR $this->force_srgb) {
                        $out .= ' /OutputIntents [<<';
                        $out .= ' /Type /OutputIntent';
                        $out .= ' /S /GTS_PDFA1';
                        $out .= ' /OutputCondition '.$this->_textstring('sRGB IEC61966-2.1', $oid);
                        $out .= ' /OutputConditionIdentifier '.$this->_textstring('sRGB IEC61966-2.1', $oid);
                        $out .= ' /RegistryName '.$this->_textstring('http://www.color.org', $oid);
                        $out .= ' /Info '.$this->_textstring('sRGB IEC61966-2.1', $oid);
                        $out .= ' /DestOutputProfile '.$iccobj.' 0 R';
                        $out .= ' >>]';
                }
                //$out .= ' /PieceInfo <<>>';
                if (!empty($this->pdflayers)) {
                        $lyrobjs = '';
                        $lyrobjs_off = '';
                        $lyrobjs_lock = '';
                        foreach ($this->pdflayers as $layer) {
                                $layer_obj_ref = ' '.$layer['objid'].' 0 R';
                                $lyrobjs .= $layer_obj_ref;
                                if ($layer['view'] === false) {
                                        $lyrobjs_off .= $layer_obj_ref;
                                }
                                if ($layer['lock']) {
                                        $lyrobjs_lock .= $layer_obj_ref;
                                }
                        }
                        $out .= ' /OCProperties << /OCGs ['.$lyrobjs.']';
                        $out .= ' /D <<';
                        $out .= ' /Name '.$this->_textstring('Layers', $oid);
                        $out .= ' /Creator '.$this->_textstring('TCPDF', $oid);
                        $out .= ' /BaseState /ON';
                        $out .= ' /OFF ['.$lyrobjs_off.']';
                        $out .= ' /Locked ['.$lyrobjs_lock.']';
                        $out .= ' /Intent /View';
                        $out .= ' /AS [';
                        $out .= ' << /Event /Print /OCGs ['.$lyrobjs.'] /Category [/Print] >>';
                        $out .= ' << /Event /View /OCGs ['.$lyrobjs.'] /Category [/View] >>';
                        $out .= ' ]';
                        $out .= ' /Order ['.$lyrobjs.']';
                        $out .= ' /ListMode /AllPages';
                        //$out .= ' /RBGroups ['..']';
                        //$out .= ' /Locked ['..']';
                        $out .= ' >>';
                        $out .= ' >>';
                }
                // AcroForm
                if (!empty($this->form_obj_id)
                        OR ($this->sign AND isset($this->signature_data['cert_type']))
                        OR !empty($this->empty_signature_appearance)) {
                        $out .= ' /AcroForm <<';
                        $objrefs = '';
                        if ($this->sign AND isset($this->signature_data['cert_type'])) {
                                // set reference for signature object
                                $objrefs .= $this->sig_obj_id.' 0 R';
                        }
                        if (!empty($this->empty_signature_appearance)) {
                                foreach ($this->empty_signature_appearance as $esa) {
                                        // set reference for empty signature objects
                                        $objrefs .= ' '.$esa['objid'].' 0 R';
                                }
                        }
                        if (!empty($this->form_obj_id)) {
                                foreach($this->form_obj_id as $objid) {
                                        $objrefs .= ' '.$objid.' 0 R';
                                }
                        }
                        $out .= ' /Fields ['.$objrefs.']';
                        // It's better to turn off this value and set the appearance stream for each annotation (/AP) to avoid conflicts with signature fields.
                        if (empty($this->signature_data['approval']) OR ($this->signature_data['approval'] != 'A')) {
                                $out .= ' /NeedAppearances false';
                        }
                        if ($this->sign AND isset($this->signature_data['cert_type'])) {
                                if ($this->signature_data['cert_type'] > 0) {
                                        $out .= ' /SigFlags 3';
                                } else {
                                        $out .= ' /SigFlags 1';
                                }
                        }
                        //$out .= ' /CO ';
                        if (isset($this->annotation_fonts) AND !empty($this->annotation_fonts)) {
                                $out .= ' /DR <<';
                                $out .= ' /Font <<';
                                foreach ($this->annotation_fonts as $fontkey => $fontid) {
                                        $out .= ' /F'.$fontid.' '.$this->font_obj_ids[$fontkey].' 0 R';
                                }
                                $out .= ' >> >>';
                        }
                        $font = $this->getFontBuffer('helvetica');
                        $out .= ' /DA (/F'.$font['i'].' 0 Tf 0 g)';
                        $out .= ' /Q '.(($this->rtl)?'2':'0');
                        //$out .= ' /XFA ';
                        $out .= ' >>';
                        // signatures
                        if ($this->sign AND isset($this->signature_data['cert_type']) 
                                AND (empty($this->signature_data['approval']) OR ($this->signature_data['approval'] != 'A'))) {
                                if ($this->signature_data['cert_type'] > 0) {
                                        $out .= ' /Perms << /DocMDP '.($this->sig_obj_id + 1).' 0 R >>';
                                } else {
                                        $out .= ' /Perms << /UR3 '.($this->sig_obj_id + 1).' 0 R >>';
                                }
                        }
                }
                //$out .= ' /Legal <<>>';
                //$out .= ' /Requirements []';
                //$out .= ' /Collection <<>>';
                //$out .= ' /NeedsRendering true';
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
                return $oid;
        }
 
        protected function _putviewerpreferences() {
                $vp = $this->viewer_preferences;
                $out = ' /ViewerPreferences <<';
                if ($this->rtl) {
                        $out .= ' /Direction /R2L';
                } else {
                        $out .= ' /Direction /L2R';
                }
                if (isset($vp['HideToolbar']) AND ($vp['HideToolbar'])) {
                        $out .= ' /HideToolbar true';
                }
                if (isset($vp['HideMenubar']) AND ($vp['HideMenubar'])) {
                        $out .= ' /HideMenubar true';
                }
                if (isset($vp['HideWindowUI']) AND ($vp['HideWindowUI'])) {
                        $out .= ' /HideWindowUI true';
                }
                if (isset($vp['FitWindow']) AND ($vp['FitWindow'])) {
                        $out .= ' /FitWindow true';
                }
                if (isset($vp['CenterWindow']) AND ($vp['CenterWindow'])) {
                        $out .= ' /CenterWindow true';
                }
                if (isset($vp['DisplayDocTitle']) AND ($vp['DisplayDocTitle'])) {
                        $out .= ' /DisplayDocTitle true';
                }
                if (isset($vp['NonFullScreenPageMode'])) {
                        $out .= ' /NonFullScreenPageMode /'.$vp['NonFullScreenPageMode'];
                }
                if (isset($vp['ViewArea'])) {
                        $out .= ' /ViewArea /'.$vp['ViewArea'];
                }
                if (isset($vp['ViewClip'])) {
                        $out .= ' /ViewClip /'.$vp['ViewClip'];
                }
                if (isset($vp['PrintArea'])) {
                        $out .= ' /PrintArea /'.$vp['PrintArea'];
                }
                if (isset($vp['PrintClip'])) {
                        $out .= ' /PrintClip /'.$vp['PrintClip'];
                }
                if (isset($vp['PrintScaling'])) {
                        $out .= ' /PrintScaling /'.$vp['PrintScaling'];
                }
                if (isset($vp['Duplex']) AND (!TCPDF_STATIC::empty_string($vp['Duplex']))) {
                        $out .= ' /Duplex /'.$vp['Duplex'];
                }
                if (isset($vp['PickTrayByPDFSize'])) {
                        if ($vp['PickTrayByPDFSize']) {
                                $out .= ' /PickTrayByPDFSize true';
                        } else {
                                $out .= ' /PickTrayByPDFSize false';
                        }
                }
                if (isset($vp['PrintPageRange'])) {
                        $PrintPageRangeNum = '';
                        foreach ($vp['PrintPageRange'] as $k => $v) {
                                $PrintPageRangeNum .= ' '.($v - 1).'';
                        }
                        $out .= ' /PrintPageRange ['.substr($PrintPageRangeNum,1).']';
                }
                if (isset($vp['NumCopies'])) {
                        $out .= ' /NumCopies '.intval($vp['NumCopies']);
                }
                $out .= ' >>';
                return $out;
        }
 
        protected function _putheader() {
                $this->_out('%PDF-'.$this->PDFVersion);
                $this->_out('%'.chr(0xe2).chr(0xe3).chr(0xcf).chr(0xd3));
        }
 
        protected function _enddoc() {
                if (isset($this->CurrentFont['fontkey']) AND isset($this->CurrentFont['subsetchars'])) {
                        // save subset chars of the previous font
                        $this->setFontSubBuffer($this->CurrentFont['fontkey'], 'subsetchars', $this->CurrentFont['subsetchars']);
                }
                $this->state = 1;
                $this->_putheader();
                $this->_putpages();
                $this->_putresources();
                // empty signature fields
                if (!empty($this->empty_signature_appearance)) {
                        foreach ($this->empty_signature_appearance as $key => $esa) {
                                // widget annotation for empty signature
                                $out = $this->_getobj($esa['objid'])."\n";
                                $out .= '<< /Type /Annot';
                                $out .= ' /Subtype /Widget';
                                $out .= ' /Rect ['.$esa['rect'].']';
                                $out .= ' /P '.$this->page_obj_id[($esa['page'])].' 0 R'; // link to signature appearance page
                                $out .= ' /F 4';
                                $out .= ' /FT /Sig';
                                $signame = $esa['name'].sprintf(' [%03d]', ($key + 1));
                                $out .= ' /T '.$this->_textstring($signame, $esa['objid']);
                                $out .= ' /Ff 0';
                                $out .= ' >>';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                        }
                }
                // Signature
                if ($this->sign AND isset($this->signature_data['cert_type'])) {
                        // widget annotation for signature
                        $out = $this->_getobj($this->sig_obj_id)."\n";
                        $out .= '<< /Type /Annot';
                        $out .= ' /Subtype /Widget';
                        $out .= ' /Rect ['.$this->signature_appearance['rect'].']';
                        $out .= ' /P '.$this->page_obj_id[($this->signature_appearance['page'])].' 0 R'; // link to signature appearance page
                        $out .= ' /F 4';
                        $out .= ' /FT /Sig';
                        $out .= ' /T '.$this->_textstring($this->signature_appearance['name'], $this->sig_obj_id);
                        $out .= ' /Ff 0';
                        $out .= ' /V '.($this->sig_obj_id + 1).' 0 R';
                        $out .= ' >>';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                        // signature
                        $this->_putsignature();
                }
                // Info
                $objid_info = $this->_putinfo();
                // Catalog
                $objid_catalog = $this->_putcatalog();
                // Cross-ref
                $o = $this->bufferlen;
                // XREF section
                $this->_out('xref');
                $this->_out('0 '.($this->n + 1));
                $this->_out('0000000000 65535 f ');
                $freegen = ($this->n + 2);
                for ($i=1; $i <= $this->n; ++$i) {
                        if (!isset($this->offsets[$i]) AND ($i > 1)) {
                                $this->_out(sprintf('0000000000 %05d f ', $freegen));
                                ++$freegen;
                        } else {
                                $this->_out(sprintf('%010d 00000 n ', $this->offsets[$i]));
                        }
                }
                // TRAILER
                $out = 'trailer'."\n";
                $out .= '<<';
                $out .= ' /Size '.($this->n + 1);
                $out .= ' /Root '.$objid_catalog.' 0 R';
                $out .= ' /Info '.$objid_info.' 0 R';
                if ($this->encrypted) {
                        $out .= ' /Encrypt '.$this->encryptdata['objid'].' 0 R';
                }
                $out .= ' /ID [ <'.$this->file_id.'> <'.$this->file_id.'> ]';
                $out .= ' >>';
                $this->_out($out);
                $this->_out('startxref');
                $this->_out($o);
                $this->_out('%%EOF');
                $this->state = 3; // end-of-doc
        }
 
        protected function _beginpage($orientation='', $format='') {
                ++$this->page;
                $this->pageobjects[$this->page] = array();
                $this->setPageBuffer($this->page, '');
                // initialize array for graphics tranformation positions inside a page buffer
                $this->transfmrk[$this->page] = array();
                $this->state = 2;
                if (TCPDF_STATIC::empty_string($orientation)) {
                        if (isset($this->CurOrientation)) {
                                $orientation = $this->CurOrientation;
                        } elseif ($this->fwPt > $this->fhPt) {
                                // landscape
                                $orientation = 'L';
                        } else {
                                // portrait
                                $orientation = 'P';
                        }
                }
                if (TCPDF_STATIC::empty_string($format)) {
                        $this->pagedim[$this->page] = $this->pagedim[($this->page - 1)];
                        $this->setPageOrientation($orientation);
                } else {
                        $this->setPageFormat($format, $orientation);
                }
                if ($this->rtl) {
                        $this->x = $this->w - $this->rMargin;
                } else {
                        $this->x = $this->lMargin;
                }
                $this->y = $this->tMargin;
                if (isset($this->newpagegroup[$this->page])) {
                        // start a new group
                        $this->currpagegroup = $this->newpagegroup[$this->page];
                        $this->pagegroups[$this->currpagegroup] = 1;
                } elseif (isset($this->currpagegroup) AND ($this->currpagegroup > 0)) {
                        ++$this->pagegroups[$this->currpagegroup];
                }
        }
 
        protected function _endpage() {
                $this->setVisibility('all');
                $this->state = 1;
        }
 
        protected function _newobj() {
                $this->_out($this->_getobj());
                return $this->n;
        }
 
        protected function _getobj($objid='') {
                if ($objid === '') {
                        ++$this->n;
                        $objid = $this->n;
                }
                $this->offsets[$objid] = $this->bufferlen;
                $this->pageobjects[$this->page][] = $objid;
                return $objid.' 0 obj';
        }
 
        protected function _dounderline($x, $y, $txt) {
                $w = $this->GetStringWidth($txt);
                return $this->_dounderlinew($x, $y, $w);
        }
 
        protected function _dounderlinew($x, $y, $w) {
                $linew = - $this->CurrentFont['ut'] / 1000 * $this->FontSizePt;
                return sprintf('%F %F %F %F re f', $x * $this->k, ((($this->h - $y) * $this->k) + $linew), $w * $this->k, $linew);
        }
 
        protected function _dolinethrough($x, $y, $txt) {
                $w = $this->GetStringWidth($txt);
                return $this->_dolinethroughw($x, $y, $w);
        }
 
        protected function _dolinethroughw($x, $y, $w) {
                $linew = - $this->CurrentFont['ut'] / 1000 * $this->FontSizePt;
                return sprintf('%F %F %F %F re f', $x * $this->k, ((($this->h - $y) * $this->k) + $linew + ($this->FontSizePt / 3)), $w * $this->k, $linew);
        }
 
        protected function _dooverline($x, $y, $txt) {
                $w = $this->GetStringWidth($txt);
                return $this->_dooverlinew($x, $y, $w);
        }
 
        protected function _dooverlinew($x, $y, $w) {
                $linew = - $this->CurrentFont['ut'] / 1000 * $this->FontSizePt;
                return sprintf('%F %F %F %F re f', $x * $this->k, (($this->h - $y + $this->FontAscent) * $this->k) - $linew, $w * $this->k, $linew);
 
        }
 
        protected function _datastring($s, $n=0) {
                if ($n == 0) {
                        $n = $this->n;
                }
                $s = $this->_encrypt_data($n, $s);
                return '('. TCPDF_STATIC::_escape($s).')';
        }
 
        public function setDocCreationTimestamp($time) {
                if (is_string($time)) {
                        $time = TCPDF_STATIC::getTimestamp($time);
                }
                $this->doc_creation_timestamp = intval($time);
        }
 
        public function setDocModificationTimestamp($time) {
                if (is_string($time)) {
                        $time = TCPDF_STATIC::getTimestamp($time);
                }
                $this->doc_modification_timestamp = intval($time);
        }
 
        public function getDocCreationTimestamp() {
                return $this->doc_creation_timestamp;
        }
 
        public function getDocModificationTimestamp() {
                return $this->doc_modification_timestamp;
        }
 
        protected function _datestring($n=0, $timestamp=0) {
                if ((empty($timestamp)) OR ($timestamp < 0)) {
                        $timestamp = $this->doc_creation_timestamp;
                }
                return $this->_datastring('D:'.TCPDF_STATIC::getFormattedDate($timestamp), $n);
        }
 
        protected function _textstring($s, $n=0) {
                if ($this->isunicode) {
                        //Convert string to UTF-16BE
                        $s = TCPDF_FONTS::UTF8ToUTF16BE($s, true, $this->isunicode, $this->CurrentFont);
                }
                return $this->_datastring($s, $n);
        }
 
        protected function _getrawstream($s, $n=0) {
                if ($n <= 0) {
                        // default to current object
                        $n = $this->n;
                }
                return $this->_encrypt_data($n, $s);
        }
 
        protected function _out($s) {
                if ($this->state == 2) {
                        if ($this->inxobj) {
                                // we are inside an XObject template
                                $this->xobjects[$this->xobjid]['outdata'] .= $s."\n";
                        } elseif ((!$this->InFooter) AND isset($this->footerlen[$this->page]) AND ($this->footerlen[$this->page] > 0)) {
                                // puts data before page footer
                                $pagebuff = $this->getPageBuffer($this->page);
                                $page = substr($pagebuff, 0, -$this->footerlen[$this->page]);
                                $footer = substr($pagebuff, -$this->footerlen[$this->page]);
                                $this->setPageBuffer($this->page, $page.$s."\n".$footer);
                                // update footer position
                                $this->footerpos[$this->page] += strlen($s."\n");
                        } else {
                                // set page data
                                $this->setPageBuffer($this->page, $s."\n", true);
                        }
                } elseif ($this->state > 0) {
                        // set general data
                        $this->setBuffer($s."\n");
                }
        }
 
        public function setHeaderFont($font) {
                $this->header_font = $font;
        }
 
        public function getHeaderFont() {
                return $this->header_font;
        }
 
        public function setFooterFont($font) {
                $this->footer_font = $font;
        }
 
        public function getFooterFont() {
                return $this->footer_font;
        }
 
        public function setLanguageArray($language) {
                $this->l = $language;
                if (isset($this->l['a_meta_dir'])) {
                        $this->rtl = $this->l['a_meta_dir']=='rtl' ? true : false;
                } else {
                        $this->rtl = false;
                }
        }
 
        public function getPDFData() {
                if ($this->state < 3) {
                        $this->Close();
                }
                return $this->buffer;
        }
 
        public function addHtmlLink($url, $name, $fill=false, $firstline=false, $color='', $style=-1, $firstblock=false) {
                if (isset($url[1]) AND ($url[0] == '#') AND is_numeric($url[1])) {
                        // convert url to internal link
                        $lnkdata = explode(',', $url);
                        if (isset($lnkdata[0]) ) {
                                $page = substr($lnkdata[0], 1);
                                if (isset($lnkdata[1]) AND (strlen($lnkdata[1]) > 0)) {
                                        $lnky = floatval($lnkdata[1]);
                                } else {
                                        $lnky = 0;
                                }
                                $url = $this->AddLink();
                                $this->SetLink($url, $lnky, $page);
                        }
                }
                // store current settings
                $prevcolor = $this->fgcolor;
                $prevstyle = $this->FontStyle;
                if (empty($color)) {
                        $this->SetTextColorArray($this->htmlLinkColorArray);
                } else {
                        $this->SetTextColorArray($color);
                }
                if ($style == -1) {
                        $this->SetFont('', $this->FontStyle.$this->htmlLinkFontStyle);
                } else {
                        $this->SetFont('', $this->FontStyle.$style);
                }
                $ret = $this->Write($this->lasth, $name, $url, $fill, '', false, 0, $firstline, $firstblock, 0);
                // restore settings
                $this->SetFont('', $prevstyle);
                $this->SetTextColorArray($prevcolor);
                return $ret;
        }
 
        public function pixelsToUnits($px) {
                return ($px / ($this->imgscale * $this->k));
        }
 
        public function unhtmlentities($text_to_convert) {
                return @html_entity_decode($text_to_convert, ENT_QUOTES, $this->encoding);
        }
 
        // ENCRYPTION METHODS ----------------------------------
 
        protected function _objectkey($n) {
                $objkey = $this->encryptdata['key'].pack('VXxx', $n);
                if ($this->encryptdata['mode'] == 2) { // AES-128
                        // AES padding
                        $objkey .= "\x73\x41\x6C\x54"; // sAlT
                }
                $objkey = substr(TCPDF_STATIC::_md5_16($objkey), 0, (($this->encryptdata['Length'] / 8) + 5));
                $objkey = substr($objkey, 0, 16);
                return $objkey;
        }
 
        protected function _encrypt_data($n, $s) {
                if (!$this->encrypted) {
                        return $s;
                }
                switch ($this->encryptdata['mode']) {
                        case 0:   // RC4-40
                        case 1: { // RC4-128
                                $s = TCPDF_STATIC::_RC4($this->_objectkey($n), $s, $this->last_enc_key, $this->last_enc_key_c);
                                break;
                        }
                        case 2: { // AES-128
                                $s = TCPDF_STATIC::_AES($this->_objectkey($n), $s);
                                break;
                        }
                        case 3: { // AES-256
                                $s = TCPDF_STATIC::_AES($this->encryptdata['key'], $s);
                                break;
                        }
                }
                return $s;
        }
 
        protected function _putencryption() {
                if (!$this->encrypted) {
                        return;
                }
                $this->encryptdata['objid'] = $this->_newobj();
                $out = '<<';
                if (!isset($this->encryptdata['Filter']) OR empty($this->encryptdata['Filter'])) {
                        $this->encryptdata['Filter'] = 'Standard';
                }
                $out .= ' /Filter /'.$this->encryptdata['Filter'];
                if (isset($this->encryptdata['SubFilter']) AND !empty($this->encryptdata['SubFilter'])) {
                        $out .= ' /SubFilter /'.$this->encryptdata['SubFilter'];
                }
                if (!isset($this->encryptdata['V']) OR empty($this->encryptdata['V'])) {
                        $this->encryptdata['V'] = 1;
                }
                // V is a code specifying the algorithm to be used in encrypting and decrypting the document
                $out .= ' /V '.$this->encryptdata['V'];
                if (isset($this->encryptdata['Length']) AND !empty($this->encryptdata['Length'])) {
                        // The length of the encryption key, in bits. The value shall be a multiple of 8, in the range 40 to 256
                        $out .= ' /Length '.$this->encryptdata['Length'];
                } else {
                        $out .= ' /Length 40';
                }
                if ($this->encryptdata['V'] >= 4) {
                        if (!isset($this->encryptdata['StmF']) OR empty($this->encryptdata['StmF'])) {
                                $this->encryptdata['StmF'] = 'Identity';
                        }
                        if (!isset($this->encryptdata['StrF']) OR empty($this->encryptdata['StrF'])) {
                                // The name of the crypt filter that shall be used when decrypting all strings in the document.
                                $this->encryptdata['StrF'] = 'Identity';
                        }
                        // A dictionary whose keys shall be crypt filter names and whose values shall be the corresponding crypt filter dictionaries.
                        if (isset($this->encryptdata['CF']) AND !empty($this->encryptdata['CF'])) {
                                $out .= ' /CF <<';
                                $out .= ' /'.$this->encryptdata['StmF'].' <<';
                                $out .= ' /Type /CryptFilter';
                                if (isset($this->encryptdata['CF']['CFM']) AND !empty($this->encryptdata['CF']['CFM'])) {
                                        // The method used
                                        $out .= ' /CFM /'.$this->encryptdata['CF']['CFM'];
                                        if ($this->encryptdata['pubkey']) {
                                                $out .= ' /Recipients [';
                                                foreach ($this->encryptdata['Recipients'] as $rec) {
                                                        $out .= ' <'.$rec.'>';
                                                }
                                                $out .= ' ]';
                                                if (isset($this->encryptdata['CF']['EncryptMetadata']) AND (!$this->encryptdata['CF']['EncryptMetadata'])) {
                                                        $out .= ' /EncryptMetadata false';
                                                } else {
                                                        $out .= ' /EncryptMetadata true';
                                                }
                                        }
                                } else {
                                        $out .= ' /CFM /None';
                                }
                                if (isset($this->encryptdata['CF']['AuthEvent']) AND !empty($this->encryptdata['CF']['AuthEvent'])) {
                                        // The event to be used to trigger the authorization that is required to access encryption keys used by this filter.
                                        $out .= ' /AuthEvent /'.$this->encryptdata['CF']['AuthEvent'];
                                } else {
                                        $out .= ' /AuthEvent /DocOpen';
                                }
                                if (isset($this->encryptdata['CF']['Length']) AND !empty($this->encryptdata['CF']['Length'])) {
                                        // The bit length of the encryption key.
                                        $out .= ' /Length '.$this->encryptdata['CF']['Length'];
                                }
                                $out .= ' >> >>';
                        }
                        // The name of the crypt filter that shall be used by default when decrypting streams.
                        $out .= ' /StmF /'.$this->encryptdata['StmF'];
                        // The name of the crypt filter that shall be used when decrypting all strings in the document.
                        $out .= ' /StrF /'.$this->encryptdata['StrF'];
                        if (isset($this->encryptdata['EFF']) AND !empty($this->encryptdata['EFF'])) {
                                // The name of the crypt filter that shall be used when encrypting embedded file streams that do not have their own crypt filter specifier.
                                $out .= ' /EFF /'.$this->encryptdata[''];
                        }
                }
                // Additional encryption dictionary entries for the standard security handler
                if ($this->encryptdata['pubkey']) {
                        if (($this->encryptdata['V'] < 4) AND isset($this->encryptdata['Recipients']) AND !empty($this->encryptdata['Recipients'])) {
                                $out .= ' /Recipients [';
                                foreach ($this->encryptdata['Recipients'] as $rec) {
                                        $out .= ' <'.$rec.'>';
                                }
                                $out .= ' ]';
                        }
                } else {
                        $out .= ' /R';
                        if ($this->encryptdata['V'] == 5) { // AES-256
                                $out .= ' 5';
                                $out .= ' /OE ('.TCPDF_STATIC::_escape($this->encryptdata['OE']).')';
                                $out .= ' /UE ('.TCPDF_STATIC::_escape($this->encryptdata['UE']).')';
                                $out .= ' /Perms ('.TCPDF_STATIC::_escape($this->encryptdata['perms']).')';
                        } elseif ($this->encryptdata['V'] == 4) { // AES-128
                                $out .= ' 4';
                        } elseif ($this->encryptdata['V'] < 2) { // RC-40
                                $out .= ' 2';
                        } else { // RC-128
                                $out .= ' 3';
                        }
                        $out .= ' /O ('.TCPDF_STATIC::_escape($this->encryptdata['O']).')';
                        $out .= ' /U ('.TCPDF_STATIC::_escape($this->encryptdata['U']).')';
                        $out .= ' /P '.$this->encryptdata['P'];
                        if (isset($this->encryptdata['EncryptMetadata']) AND (!$this->encryptdata['EncryptMetadata'])) {
                                $out .= ' /EncryptMetadata false';
                        } else {
                                $out .= ' /EncryptMetadata true';
                        }
                }
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
        }
 
        protected function _Uvalue() {
                if ($this->encryptdata['mode'] == 0) { // RC4-40
                        return TCPDF_STATIC::_RC4($this->encryptdata['key'], TCPDF_STATIC::$enc_padding, $this->last_enc_key, $this->last_enc_key_c);
                } elseif ($this->encryptdata['mode'] < 3) { // RC4-128, AES-128
                        $tmp = TCPDF_STATIC::_md5_16(TCPDF_STATIC::$enc_padding.$this->encryptdata['fileid']);
                        $enc = TCPDF_STATIC::_RC4($this->encryptdata['key'], $tmp, $this->last_enc_key, $this->last_enc_key_c);
                        $len = strlen($tmp);
                        for ($i = 1; $i <= 19; ++$i) {
                                $ek = '';
                                for ($j = 0; $j < $len; ++$j) {
                                        $ek .= chr(ord($this->encryptdata['key'][$j]) ^ $i);
                                }
                                $enc = TCPDF_STATIC::_RC4($ek, $enc, $this->last_enc_key, $this->last_enc_key_c);
                        }
                        $enc .= str_repeat("\x00", 16);
                        return substr($enc, 0, 32);
                } elseif ($this->encryptdata['mode'] == 3) { // AES-256
                        $seed = TCPDF_STATIC::_md5_16(TCPDF_STATIC::getRandomSeed());
                        // User Validation Salt
                        $this->encryptdata['UVS'] = substr($seed, 0, 8);
                        // User Key Salt
                        $this->encryptdata['UKS'] = substr($seed, 8, 16);
                        return hash('sha256', $this->encryptdata['user_password'].$this->encryptdata['UVS'], true).$this->encryptdata['UVS'].$this->encryptdata['UKS'];
                }
        }
 
        protected function _UEvalue() {
                $hashkey = hash('sha256', $this->encryptdata['user_password'].$this->encryptdata['UKS'], true);
                return TCPDF_STATIC::_AESnopad($hashkey, $this->encryptdata['key']);
        }
 
        protected function _Ovalue() {
                if ($this->encryptdata['mode'] < 3) { // RC4-40, RC4-128, AES-128
                        $tmp = TCPDF_STATIC::_md5_16($this->encryptdata['owner_password']);
                        if ($this->encryptdata['mode'] > 0) {
                                for ($i = 0; $i < 50; ++$i) {
                                        $tmp = TCPDF_STATIC::_md5_16($tmp);
                                }
                        }
                        $owner_key = substr($tmp, 0, ($this->encryptdata['Length'] / 8));
                        $enc = TCPDF_STATIC::_RC4($owner_key, $this->encryptdata['user_password'], $this->last_enc_key, $this->last_enc_key_c);
                        if ($this->encryptdata['mode'] > 0) {
                                $len = strlen($owner_key);
                                for ($i = 1; $i <= 19; ++$i) {
                                        $ek = '';
                                        for ($j = 0; $j < $len; ++$j) {
                                                $ek .= chr(ord($owner_key[$j]) ^ $i);
                                        }
                                        $enc = TCPDF_STATIC::_RC4($ek, $enc, $this->last_enc_key, $this->last_enc_key_c);
                                }
                        }
                        return $enc;
                } elseif ($this->encryptdata['mode'] == 3) { // AES-256
                        $seed = TCPDF_STATIC::_md5_16(TCPDF_STATIC::getRandomSeed());
                        // Owner Validation Salt
                        $this->encryptdata['OVS'] = substr($seed, 0, 8);
                        // Owner Key Salt
                        $this->encryptdata['OKS'] = substr($seed, 8, 16);
                        return hash('sha256', $this->encryptdata['owner_password'].$this->encryptdata['OVS'].$this->encryptdata['U'], true).$this->encryptdata['OVS'].$this->encryptdata['OKS'];
                }
        }
 
        protected function _OEvalue() {
                $hashkey = hash('sha256', $this->encryptdata['owner_password'].$this->encryptdata['OKS'].$this->encryptdata['U'], true);
                return TCPDF_STATIC::_AESnopad($hashkey, $this->encryptdata['key']);
        }
 
        protected function _fixAES256Password($password) {
                $psw = ''; // password to be returned
                $psw_array = TCPDF_FONTS::utf8Bidi(TCPDF_FONTS::UTF8StringToArray($password, $this->isunicode, $this->CurrentFont), $password, $this->rtl, $this->isunicode, $this->CurrentFont);
                foreach ($psw_array as $c) {
                        $psw .= TCPDF_FONTS::unichr($c, $this->isunicode);
                }
                return substr($psw, 0, 127);
        }
 
        protected function _generateencryptionkey() {
                $keybytelen = ($this->encryptdata['Length'] / 8);
                if (!$this->encryptdata['pubkey']) { // standard mode
                        if ($this->encryptdata['mode'] == 3) { // AES-256
                                // generate 256 bit random key
                                $this->encryptdata['key'] = substr(hash('sha256', TCPDF_STATIC::getRandomSeed(), true), 0, $keybytelen);
                                // truncate passwords
                                $this->encryptdata['user_password'] = $this->_fixAES256Password($this->encryptdata['user_password']);
                                $this->encryptdata['owner_password'] = $this->_fixAES256Password($this->encryptdata['owner_password']);
                                // Compute U value
                                $this->encryptdata['U'] = $this->_Uvalue();
                                // Compute UE value
                                $this->encryptdata['UE'] = $this->_UEvalue();
                                // Compute O value
                                $this->encryptdata['O'] = $this->_Ovalue();
                                // Compute OE value
                                $this->encryptdata['OE'] = $this->_OEvalue();
                                // Compute P value
                                $this->encryptdata['P'] = $this->encryptdata['protection'];
                                // Computing the encryption dictionary's Perms (permissions) value
                                $perms = TCPDF_STATIC::getEncPermissionsString($this->encryptdata['protection']); // bytes 0-3
                                $perms .= chr(255).chr(255).chr(255).chr(255); // bytes 4-7
                                if (isset($this->encryptdata['CF']['EncryptMetadata']) AND (!$this->encryptdata['CF']['EncryptMetadata'])) { // byte 8
                                        $perms .= 'F';
                                } else {
                                        $perms .= 'T';
                                }
                                $perms .= 'adb'; // bytes 9-11
                                $perms .= 'nick'; // bytes 12-15
                                $this->encryptdata['perms'] = TCPDF_STATIC::_AESnopad($this->encryptdata['key'], $perms);
                        } else { // RC4-40, RC4-128, AES-128
                                // Pad passwords
                                $this->encryptdata['user_password'] = substr($this->encryptdata['user_password'].TCPDF_STATIC::$enc_padding, 0, 32);
                                $this->encryptdata['owner_password'] = substr($this->encryptdata['owner_password'].TCPDF_STATIC::$enc_padding, 0, 32);
                                // Compute O value
                                $this->encryptdata['O'] = $this->_Ovalue();
                                // get default permissions (reverse byte order)
                                $permissions = TCPDF_STATIC::getEncPermissionsString($this->encryptdata['protection']);
                                // Compute encryption key
                                $tmp = TCPDF_STATIC::_md5_16($this->encryptdata['user_password'].$this->encryptdata['O'].$permissions.$this->encryptdata['fileid']);
                                if ($this->encryptdata['mode'] > 0) {
                                        for ($i = 0; $i < 50; ++$i) {
                                                $tmp = TCPDF_STATIC::_md5_16(substr($tmp, 0, $keybytelen));
                                        }
                                }
                                $this->encryptdata['key'] = substr($tmp, 0, $keybytelen);
                                // Compute U value
                                $this->encryptdata['U'] = $this->_Uvalue();
                                // Compute P value
                                $this->encryptdata['P'] = $this->encryptdata['protection'];
                        }
                } else { // Public-Key mode
                        // random 20-byte seed
                        $seed = sha1(TCPDF_STATIC::getRandomSeed(), true);
                        $recipient_bytes = '';
                        foreach ($this->encryptdata['pubkeys'] as $pubkey) {
                                // for each public certificate
                                if (isset($pubkey['p'])) {
                                        $pkprotection = TCPDF_STATIC::getUserPermissionCode($pubkey['p'], $this->encryptdata['mode']);
                                } else {
                                        $pkprotection = $this->encryptdata['protection'];
                                }
                                // get default permissions (reverse byte order)
                                $pkpermissions = TCPDF_STATIC::getEncPermissionsString($pkprotection);
                                // envelope data
                                $envelope = $seed.$pkpermissions;
                                // write the envelope data to a temporary file
                                $tempkeyfile = TCPDF_STATIC::getObjFilename('key', $this->file_id);
                                $f = TCPDF_STATIC::fopenLocal($tempkeyfile, 'wb');
                                if (!$f) {
                                        $this->Error('Unable to create temporary key file: '.$tempkeyfile);
                                }
                                $envelope_length = strlen($envelope);
                                fwrite($f, $envelope, $envelope_length);
                                fclose($f);
                                $tempencfile = TCPDF_STATIC::getObjFilename('enc', $this->file_id);
                                if (!openssl_pkcs7_encrypt($tempkeyfile, $tempencfile, $pubkey['c'], array(), PKCS7_BINARY | PKCS7_DETACHED)) {
                                        $this->Error('Unable to encrypt the file: '.$tempkeyfile);
                                }
                                // read encryption signature
                                $signature = file_get_contents($tempencfile, false, null, $envelope_length);
                                // extract signature
                                $signature = substr($signature, strpos($signature, 'Content-Disposition'));
                                $tmparr = explode("\n\n", $signature);
                                $signature = trim($tmparr[1]);
                                unset($tmparr);
                                // decode signature
                                $signature = base64_decode($signature);
                                // convert signature to hex
                                $hexsignature = current(unpack('H*', $signature));
                                // store signature on recipients array
                                $this->encryptdata['Recipients'][] = $hexsignature;
                                // The bytes of each item in the Recipients array of PKCS#7 objects in the order in which they appear in the array
                                $recipient_bytes .= $signature;
                        }
                        // calculate encryption key
                        if ($this->encryptdata['mode'] == 3) { // AES-256
                                $this->encryptdata['key'] = substr(hash('sha256', $seed.$recipient_bytes, true), 0, $keybytelen);
                        } else { // RC4-40, RC4-128, AES-128
                                $this->encryptdata['key'] = substr(sha1($seed.$recipient_bytes, true), 0, $keybytelen);
                        }
                }
        }
 
        public function SetProtection($permissions=array('print', 'modify', 'copy', 'annot-forms', 'fill-forms', 'extract', 'assemble', 'print-high'), $user_pass='', $owner_pass=null, $mode=0, $pubkeys=null) {
                if ($this->pdfa_mode) {
                        // encryption is not allowed in PDF/A mode
                        return;
                }
                $this->encryptdata['protection'] = TCPDF_STATIC::getUserPermissionCode($permissions, $mode);
                if (($pubkeys !== null) AND (is_array($pubkeys))) {
                        // public-key mode
                        $this->encryptdata['pubkeys'] = $pubkeys;
                        if ($mode == 0) {
                                // public-Key Security requires at least 128 bit
                                $mode = 1;
                        }
                        if (!function_exists('openssl_pkcs7_encrypt')) {
                                $this->Error('Public-Key Security requires openssl library.');
                        }
                        // Set Public-Key filter (available are: Entrust.PPKEF, Adobe.PPKLite, Adobe.PubSec)
                        $this->encryptdata['pubkey'] = true;
                        $this->encryptdata['Filter'] = 'Adobe.PubSec';
                        $this->encryptdata['StmF'] = 'DefaultCryptFilter';
                        $this->encryptdata['StrF'] = 'DefaultCryptFilter';
                } else {
                        // standard mode (password mode)
                        $this->encryptdata['pubkey'] = false;
                        $this->encryptdata['Filter'] = 'Standard';
                        $this->encryptdata['StmF'] = 'StdCF';
                        $this->encryptdata['StrF'] = 'StdCF';
                }
                if ($mode > 1) { // AES
                        if (!extension_loaded('openssl') && !extension_loaded('mcrypt')) {
                                $this->Error('AES encryption requires openssl or mcrypt extension (http://www.php.net/manual/en/mcrypt.requirements.php).');
                        }
                        if (extension_loaded('openssl') && !in_array('aes-256-cbc', openssl_get_cipher_methods())) {
                                $this->Error('AES encryption requires openssl/aes-256-cbc cypher.');
                        }
                        if (extension_loaded('mcrypt') && mcrypt_get_cipher_name(MCRYPT_RIJNDAEL_128) === false) {
                                $this->Error('AES encryption requires MCRYPT_RIJNDAEL_128 cypher.');
                        }
                        if (($mode == 3) AND !function_exists('hash')) {
                                // the Hash extension requires no external libraries and is enabled by default as of PHP 5.1.2.
                                $this->Error('AES 256 encryption requires HASH Message Digest Framework (http://www.php.net/manual/en/book.hash.php).');
                        }
                }
                if ($owner_pass === null) {
                        $owner_pass = md5(TCPDF_STATIC::getRandomSeed());
                }
                $this->encryptdata['user_password'] = $user_pass;
                $this->encryptdata['owner_password'] = $owner_pass;
                $this->encryptdata['mode'] = $mode;
                switch ($mode) {
                        case 0: { // RC4 40 bit
                                $this->encryptdata['V'] = 1;
                                $this->encryptdata['Length'] = 40;
                                $this->encryptdata['CF']['CFM'] = 'V2';
                                break;
                        }
                        case 1: { // RC4 128 bit
                                $this->encryptdata['V'] = 2;
                                $this->encryptdata['Length'] = 128;
                                $this->encryptdata['CF']['CFM'] = 'V2';
                                if ($this->encryptdata['pubkey']) {
                                        $this->encryptdata['SubFilter'] = 'adbe.pkcs7.s4';
                                        $this->encryptdata['Recipients'] = array();
                                }
                                break;
                        }
                        case 2: { // AES 128 bit
                                $this->encryptdata['V'] = 4;
                                $this->encryptdata['Length'] = 128;
                                $this->encryptdata['CF']['CFM'] = 'AESV2';
                                $this->encryptdata['CF']['Length'] = 128;
                                if ($this->encryptdata['pubkey']) {
                                        $this->encryptdata['SubFilter'] = 'adbe.pkcs7.s5';
                                        $this->encryptdata['Recipients'] = array();
                                }
                                break;
                        }
                        case 3: { // AES 256 bit
                                $this->encryptdata['V'] = 5;
                                $this->encryptdata['Length'] = 256;
                                $this->encryptdata['CF']['CFM'] = 'AESV3';
                                $this->encryptdata['CF']['Length'] = 256;
                                if ($this->encryptdata['pubkey']) {
                                        $this->encryptdata['SubFilter'] = 'adbe.pkcs7.s5';
                                        $this->encryptdata['Recipients'] = array();
                                }
                                break;
                        }
                }
                $this->encrypted = true;
                $this->encryptdata['fileid'] = TCPDF_STATIC::convertHexStringToString($this->file_id);
                $this->_generateencryptionkey();
        }
 
        // END OF ENCRYPTION FUNCTIONS -------------------------
 
        // START TRANSFORMATIONS SECTION -----------------------
 
        public function StartTransform() {
                if ($this->state != 2) {
                        return;
                }
                $this->_outSaveGraphicsState();
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $this->xobjects[$this->xobjid]['transfmrk'][] = strlen($this->xobjects[$this->xobjid]['outdata']);
                } else {
                        $this->transfmrk[$this->page][] = $this->pagelen[$this->page];
                }
                ++$this->transfmatrix_key;
                $this->transfmatrix[$this->transfmatrix_key] = array();
        }
 
        public function StopTransform() {
                if ($this->state != 2) {
                        return;
                }
                $this->_outRestoreGraphicsState();
                if (isset($this->transfmatrix[$this->transfmatrix_key])) {
                        array_pop($this->transfmatrix[$this->transfmatrix_key]);
                        --$this->transfmatrix_key;
                }
                if ($this->inxobj) {
                        // we are inside an XObject template
                        array_pop($this->xobjects[$this->xobjid]['transfmrk']);
                } else {
                        array_pop($this->transfmrk[$this->page]);
                }
        }
        public function ScaleX($s_x, $x='', $y='') {
                $this->Scale($s_x, 100, $x, $y);
        }
 
        public function ScaleY($s_y, $x='', $y='') {
                $this->Scale(100, $s_y, $x, $y);
        }
 
        public function ScaleXY($s, $x='', $y='') {
                $this->Scale($s, $s, $x, $y);
        }
 
        public function Scale($s_x, $s_y, $x='', $y='') {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                if (($s_x == 0) OR ($s_y == 0)) {
                        $this->Error('Please do not use values equal to zero for scaling');
                }
                $y = ($this->h - $y) * $this->k;
                $x *= $this->k;
                //calculate elements of transformation matrix
                $s_x /= 100;
                $s_y /= 100;
                $tm = array();
                $tm[0] = $s_x;
                $tm[1] = 0;
                $tm[2] = 0;
                $tm[3] = $s_y;
                $tm[4] = $x * (1 - $s_x);
                $tm[5] = $y * (1 - $s_y);
                //scale the coordinate system
                $this->Transform($tm);
        }
 
        public function MirrorH($x='') {
                $this->Scale(-100, 100, $x);
        }
 
        public function MirrorV($y='') {
                $this->Scale(100, -100, '', $y);
        }
 
        public function MirrorP($x='',$y='') {
                $this->Scale(-100, -100, $x, $y);
        }
 
        public function MirrorL($angle=0, $x='',$y='') {
                $this->Scale(-100, 100, $x, $y);
                $this->Rotate(-2*($angle-90), $x, $y);
        }
 
        public function TranslateX($t_x) {
                $this->Translate($t_x, 0);
        }
 
        public function TranslateY($t_y) {
                $this->Translate(0, $t_y);
        }
 
        public function Translate($t_x, $t_y) {
                //calculate elements of transformation matrix
                $tm = array();
                $tm[0] = 1;
                $tm[1] = 0;
                $tm[2] = 0;
                $tm[3] = 1;
                $tm[4] = $t_x * $this->k;
                $tm[5] = -$t_y * $this->k;
                //translate the coordinate system
                $this->Transform($tm);
        }
 
        public function Rotate($angle, $x='', $y='') {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                $y = ($this->h - $y) * $this->k;
                $x *= $this->k;
                //calculate elements of transformation matrix
                $tm = array();
                $tm[0] = cos(deg2rad($angle));
                $tm[1] = sin(deg2rad($angle));
                $tm[2] = -$tm[1];
                $tm[3] = $tm[0];
                $tm[4] = $x + ($tm[1] * $y) - ($tm[0] * $x);
                $tm[5] = $y - ($tm[0] * $y) - ($tm[1] * $x);
                //rotate the coordinate system around ($x,$y)
                $this->Transform($tm);
        }
 
        public function SkewX($angle_x, $x='', $y='') {
                $this->Skew($angle_x, 0, $x, $y);
        }
 
        public function SkewY($angle_y, $x='', $y='') {
                $this->Skew(0, $angle_y, $x, $y);
        }
 
        public function Skew($angle_x, $angle_y, $x='', $y='') {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                if (($angle_x <= -90) OR ($angle_x >= 90) OR ($angle_y <= -90) OR ($angle_y >= 90)) {
                        $this->Error('Please use values between -90 and +90 degrees for Skewing.');
                }
                $x *= $this->k;
                $y = ($this->h - $y) * $this->k;
                //calculate elements of transformation matrix
                $tm = array();
                $tm[0] = 1;
                $tm[1] = tan(deg2rad($angle_y));
                $tm[2] = tan(deg2rad($angle_x));
                $tm[3] = 1;
                $tm[4] = -$tm[2] * $y;
                $tm[5] = -$tm[1] * $x;
                //skew the coordinate system
                $this->Transform($tm);
        }
 
        protected function Transform($tm) {
                if ($this->state != 2) {
                        return;
                }
                $this->_out(sprintf('%F %F %F %F %F %F cm', $tm[0], $tm[1], $tm[2], $tm[3], $tm[4], $tm[5]));
                // add tranformation matrix
                $this->transfmatrix[$this->transfmatrix_key][] = array('a' => $tm[0], 'b' => $tm[1], 'c' => $tm[2], 'd' => $tm[3], 'e' => $tm[4], 'f' => $tm[5]);
                // update transformation mark
                if ($this->inxobj) {
                        // we are inside an XObject template
                        if (end($this->xobjects[$this->xobjid]['transfmrk']) !== false) {
                                $key = key($this->xobjects[$this->xobjid]['transfmrk']);
                                $this->xobjects[$this->xobjid]['transfmrk'][$key] = strlen($this->xobjects[$this->xobjid]['outdata']);
                        }
                } elseif (end($this->transfmrk[$this->page]) !== false) {
                        $key = key($this->transfmrk[$this->page]);
                        $this->transfmrk[$this->page][$key] = $this->pagelen[$this->page];
                }
        }
 
        // END TRANSFORMATIONS SECTION -------------------------
 
        // START GRAPHIC FUNCTIONS SECTION ---------------------
        // The following section is based on the code provided by David Hernandez Sanz
 
        public function SetLineWidth($width) {
                //Set line width
                $this->LineWidth = $width;
                $this->linestyleWidth = sprintf('%F w', ($width * $this->k));
                if ($this->state == 2) {
                        $this->_out($this->linestyleWidth);
                }
        }
 
        public function GetLineWidth() {
                return $this->LineWidth;
        }
 
        public function SetLineStyle($style, $ret=false) {
                $s = ''; // string to be returned
                if (!is_array($style)) {
                        return;
                }
                if (isset($style['width'])) {
                        $this->LineWidth = $style['width'];
                        $this->linestyleWidth = sprintf('%F w', ($style['width'] * $this->k));
                        $s .= $this->linestyleWidth.' ';
                }
                if (isset($style['cap'])) {
                        $ca = array('butt' => 0, 'round'=> 1, 'square' => 2);
                        if (isset($ca[$style['cap']])) {
                                $this->linestyleCap = $ca[$style['cap']].' J';
                                $s .= $this->linestyleCap.' ';
                        }
                }
                if (isset($style['join'])) {
                        $ja = array('miter' => 0, 'round' => 1, 'bevel' => 2);
                        if (isset($ja[$style['join']])) {
                                $this->linestyleJoin = $ja[$style['join']].' j';
                                $s .= $this->linestyleJoin.' ';
                        }
                }
                if (isset($style['dash'])) {
                        $dash_string = '';
                        if ($style['dash']) {
                                if (preg_match('/^.+,/', $style['dash']) > 0) {
                                        $tab = explode(',', $style['dash']);
                                } else {
                                        $tab = array($style['dash']);
                                }
                                $dash_string = '';
                                foreach ($tab as $i => $v) {
                                        if ($i) {
                                                $dash_string .= ' ';
                                        }
                                        $dash_string .= sprintf('%F', $v);
                                }
                        }
                        if (!isset($style['phase']) OR !$style['dash']) {
                                $style['phase'] = 0;
                        }
                        $this->linestyleDash = sprintf('[%s] %F d', $dash_string, $style['phase']);
                        $s .= $this->linestyleDash.' ';
                }
                if (isset($style['color'])) {
                        $s .= $this->SetDrawColorArray($style['color'], true).' ';
                }
                if (!$ret AND ($this->state == 2)) {
                        $this->_out($s);
                }
                return $s;
        }
 
        protected function _outPoint($x, $y) {
                if ($this->state == 2) {
                        $this->_out(sprintf('%F %F m', ($x * $this->k), (($this->h - $y) * $this->k)));
                }
        }
 
        protected function _outLine($x, $y) {
                if ($this->state == 2) {
                        $this->_out(sprintf('%F %F l', ($x * $this->k), (($this->h - $y) * $this->k)));
                }
        }
 
        protected function _outRect($x, $y, $w, $h, $op) {
                if ($this->state == 2) {
                        $this->_out(sprintf('%F %F %F %F re %s', ($x * $this->k), (($this->h - $y) * $this->k), ($w * $this->k), (-$h * $this->k), $op));
                }
        }
 
        protected function _outCurve($x1, $y1, $x2, $y2, $x3, $y3) {
                if ($this->state == 2) {
                        $this->_out(sprintf('%F %F %F %F %F %F c', ($x1 * $this->k), (($this->h - $y1) * $this->k), ($x2 * $this->k), (($this->h - $y2) * $this->k), ($x3 * $this->k), (($this->h - $y3) * $this->k)));
                }
        }
 
        protected function _outCurveV($x2, $y2, $x3, $y3) {
                if ($this->state == 2) {
                        $this->_out(sprintf('%F %F %F %F v', ($x2 * $this->k), (($this->h - $y2) * $this->k), ($x3 * $this->k), (($this->h - $y3) * $this->k)));
                }
        }
 
        protected function _outCurveY($x1, $y1, $x3, $y3) {
                if ($this->state == 2) {
                        $this->_out(sprintf('%F %F %F %F y', ($x1 * $this->k), (($this->h - $y1) * $this->k), ($x3 * $this->k), (($this->h - $y3) * $this->k)));
                }
        }
 
        public function Line($x1, $y1, $x2, $y2, $style=array()) {
                if ($this->state != 2) {
                        return;
                }
                if (is_array($style)) {
                        $this->SetLineStyle($style);
                }
                $this->_outPoint($x1, $y1);
                $this->_outLine($x2, $y2);
                $this->_out('S');
        }
 
        public function Rect($x, $y, $w, $h, $style='', $border_style=array(), $fill_color=array()) {
                if ($this->state != 2) {
                        return;
                }
                if (empty($style)) {
                        $style = 'S';
                }
                if (!(strpos($style, 'F') === false) AND !empty($fill_color)) {
                        // set background color
                        $this->SetFillColorArray($fill_color);
                }
                if (!empty($border_style)) {
                        if (isset($border_style['all']) AND !empty($border_style['all'])) {
                                //set global style for border
                                $this->SetLineStyle($border_style['all']);
                                $border_style = array();
                        } else {
                                // remove stroke operator from style
                                $opnostroke = array('S' => '', 'D' => '', 's' => '', 'd' => '', 'B' => 'F', 'FD' => 'F', 'DF' => 'F', 'B*' => 'F*', 'F*D' => 'F*', 'DF*' => 'F*', 'b' => 'f', 'fd' => 'f', 'df' => 'f', 'b*' => 'f*', 'f*d' => 'f*', 'df*' => 'f*' );
                                if (isset($opnostroke[$style])) {
                                        $style = $opnostroke[$style];
                                }
                        }
                }
                if (!empty($style)) {
                        $op = TCPDF_STATIC::getPathPaintOperator($style);
                        $this->_outRect($x, $y, $w, $h, $op);
                }
                if (!empty($border_style)) {
                        $border_style2 = array();
                        foreach ($border_style as $line => $value) {
                                $length = strlen($line);
                                for ($i = 0; $i < $length; ++$i) {
                                        $border_style2[$line[$i]] = $value;
                                }
                        }
                        $border_style = $border_style2;
                        if (isset($border_style['L']) AND $border_style['L']) {
                                $this->Line($x, $y, $x, $y + $h, $border_style['L']);
                        }
                        if (isset($border_style['T']) AND $border_style['T']) {
                                $this->Line($x, $y, $x + $w, $y, $border_style['T']);
                        }
                        if (isset($border_style['R']) AND $border_style['R']) {
                                $this->Line($x + $w, $y, $x + $w, $y + $h, $border_style['R']);
                        }
                        if (isset($border_style['B']) AND $border_style['B']) {
                                $this->Line($x, $y + $h, $x + $w, $y + $h, $border_style['B']);
                        }
                }
        }
 
        public function Curve($x0, $y0, $x1, $y1, $x2, $y2, $x3, $y3, $style='', $line_style=array(), $fill_color=array()) {
                if ($this->state != 2) {
                        return;
                }
                if (!(false === strpos($style, 'F')) AND isset($fill_color)) {
                        $this->SetFillColorArray($fill_color);
                }
                $op = TCPDF_STATIC::getPathPaintOperator($style);
                if ($line_style) {
                        $this->SetLineStyle($line_style);
                }
                $this->_outPoint($x0, $y0);
                $this->_outCurve($x1, $y1, $x2, $y2, $x3, $y3);
                $this->_out($op);
        }
 
        public function Polycurve($x0, $y0, $segments, $style='', $line_style=array(), $fill_color=array()) {
                if ($this->state != 2) {
                        return;
                }
                if (!(false === strpos($style, 'F')) AND isset($fill_color)) {
                        $this->SetFillColorArray($fill_color);
                }
                $op = TCPDF_STATIC::getPathPaintOperator($style);
                if ($op == 'f') {
                        $line_style = array();
                }
                if ($line_style) {
                        $this->SetLineStyle($line_style);
                }
                $this->_outPoint($x0, $y0);
                foreach ($segments as $segment) {
                        list($x1, $y1, $x2, $y2, $x3, $y3) = $segment;
                        $this->_outCurve($x1, $y1, $x2, $y2, $x3, $y3);
                }
                $this->_out($op);
        }
 
        public function Ellipse($x0, $y0, $rx, $ry='', $angle=0, $astart=0, $afinish=360, $style='', $line_style=array(), $fill_color=array(), $nc=2) {
                if ($this->state != 2) {
                        return;
                }
                if (TCPDF_STATIC::empty_string($ry) OR ($ry == 0)) {
                        $ry = $rx;
                }
                if (!(false === strpos($style, 'F')) AND isset($fill_color)) {
                        $this->SetFillColorArray($fill_color);
                }
                $op = TCPDF_STATIC::getPathPaintOperator($style);
                if ($op == 'f') {
                        $line_style = array();
                }
                if ($line_style) {
                        $this->SetLineStyle($line_style);
                }
                $this->_outellipticalarc($x0, $y0, $rx, $ry, $angle, $astart, $afinish, false, $nc, true, true, false);
                $this->_out($op);
        }
 
        protected function _outellipticalarc($xc, $yc, $rx, $ry, $xang=0, $angs=0, $angf=360, $pie=false, $nc=2, $startpoint=true, $ccw=true, $svg=false) {
                if (($rx <= 0) OR ($ry < 0)) {
                        return;
                }
                $k = $this->k;
                if ($nc < 2) {
                        $nc = 2;
                }
                $xmin = 2147483647;
                $ymin = 2147483647;
                $xmax = 0;
                $ymax = 0;
                if ($pie) {
                        // center of the arc
                        $this->_outPoint($xc, $yc);
                }
                $xang = deg2rad((float) $xang);
                $angs = deg2rad((float) $angs);
                $angf = deg2rad((float) $angf);
                if ($svg) {
                        $as = $angs;
                        $af = $angf;
                } else {
                        $as = atan2((sin($angs) / $ry), (cos($angs) / $rx));
                        $af = atan2((sin($angf) / $ry), (cos($angf) / $rx));
                }
                if ($as < 0) {
                        $as += (2 * M_PI);
                }
                if ($af < 0) {
                        $af += (2 * M_PI);
                }
                if ($ccw AND ($as > $af)) {
                        // reverse rotation
                        $as -= (2 * M_PI);
                } elseif (!$ccw AND ($as < $af)) {
                        // reverse rotation
                        $af -= (2 * M_PI);
                }
                $total_angle = ($af - $as);
                if ($nc < 2) {
                        $nc = 2;
                }
                // total arcs to draw
                $nc *= (2 * abs($total_angle) / M_PI);
                $nc = round($nc) + 1;
                // angle of each arc
                $arcang = ($total_angle / $nc);
                // center point in PDF coordinates
                $x0 = $xc;
                $y0 = ($this->h - $yc);
                // starting angle
                $ang = $as;
                $alpha = sin($arcang) * ((sqrt(4 + (3 * pow(tan(($arcang) / 2), 2))) - 1) / 3);
                $cos_xang = cos($xang);
                $sin_xang = sin($xang);
                $cos_ang = cos($ang);
                $sin_ang = sin($ang);
                // first arc point
                $px1 = $x0 + ($rx * $cos_xang * $cos_ang) - ($ry * $sin_xang * $sin_ang);
                $py1 = $y0 + ($rx * $sin_xang * $cos_ang) + ($ry * $cos_xang * $sin_ang);
                // first Bezier control point
                $qx1 = ($alpha * ((-$rx * $cos_xang * $sin_ang) - ($ry * $sin_xang * $cos_ang)));
                $qy1 = ($alpha * ((-$rx * $sin_xang * $sin_ang) + ($ry * $cos_xang * $cos_ang)));
                if ($pie) {
                        // line from center to arc starting point
                        $this->_outLine($px1, $this->h - $py1);
                } elseif ($startpoint) {
                        // arc starting point
                        $this->_outPoint($px1, $this->h - $py1);
                }
                // draw arcs
                for ($i = 1; $i <= $nc; ++$i) {
                        // starting angle
                        $ang = $as + ($i * $arcang);
                        if ($i == $nc) {
                                $ang = $af;
                        }
                        $cos_ang = cos($ang);
                        $sin_ang = sin($ang);
                        // second arc point
                        $px2 = $x0 + ($rx * $cos_xang * $cos_ang) - ($ry * $sin_xang * $sin_ang);
                        $py2 = $y0 + ($rx * $sin_xang * $cos_ang) + ($ry * $cos_xang * $sin_ang);
                        // second Bezier control point
                        $qx2 = ($alpha * ((-$rx * $cos_xang * $sin_ang) - ($ry * $sin_xang * $cos_ang)));
                        $qy2 = ($alpha * ((-$rx * $sin_xang * $sin_ang) + ($ry * $cos_xang * $cos_ang)));
                        // draw arc
                        $cx1 = ($px1 + $qx1);
                        $cy1 = ($this->h - ($py1 + $qy1));
                        $cx2 = ($px2 - $qx2);
                        $cy2 = ($this->h - ($py2 - $qy2));
                        $cx3 = $px2;
                        $cy3 = ($this->h - $py2);
                        $this->_outCurve($cx1, $cy1, $cx2, $cy2, $cx3, $cy3);
                        // get bounding box coordinates
                        $xmin = min($xmin, $cx1, $cx2, $cx3);
                        $ymin = min($ymin, $cy1, $cy2, $cy3);
                        $xmax = max($xmax, $cx1, $cx2, $cx3);
                        $ymax = max($ymax, $cy1, $cy2, $cy3);
                        // move to next point
                        $px1 = $px2;
                        $py1 = $py2;
                        $qx1 = $qx2;
                        $qy1 = $qy2;
                }
                if ($pie) {
                        $this->_outLine($xc, $yc);
                        // get bounding box coordinates
                        $xmin = min($xmin, $xc);
                        $ymin = min($ymin, $yc);
                        $xmax = max($xmax, $xc);
                        $ymax = max($ymax, $yc);
                }
                return array($xmin, $ymin, $xmax, $ymax);
        }
 
        public function Circle($x0, $y0, $r, $angstr=0, $angend=360, $style='', $line_style=array(), $fill_color=array(), $nc=2) {
                $this->Ellipse($x0, $y0, $r, $r, 0, $angstr, $angend, $style, $line_style, $fill_color, $nc);
        }
 
        public function PolyLine($p, $style='', $line_style=array(), $fill_color=array()) {
                $this->Polygon($p, $style, $line_style, $fill_color, false);
        }
 
        public function Polygon($p, $style='', $line_style=array(), $fill_color=array(), $closed=true) {
                if ($this->state != 2) {
                        return;
                }
                $nc = count($p); // number of coordinates
                $np = $nc / 2; // number of points
                if ($closed) {
                        // close polygon by adding the first 2 points at the end (one line)
                        for ($i = 0; $i < 4; ++$i) {
                                $p[$nc + $i] = $p[$i];
                        }
                        // copy style for the last added line
                        if (isset($line_style[0])) {
                                $line_style[$np] = $line_style[0];
                        }
                        $nc += 4;
                }
                if (!(false === strpos($style, 'F')) AND isset($fill_color)) {
                        $this->SetFillColorArray($fill_color);
                }
                $op = TCPDF_STATIC::getPathPaintOperator($style);
                if ($op == 'f') {
                        $line_style = array();
                }
                $draw = true;
                if ($line_style) {
                        if (isset($line_style['all'])) {
                                $this->SetLineStyle($line_style['all']);
                        } else {
                                $draw = false;
                                if ($op == 'B') {
                                        // draw fill
                                        $op = 'f';
                                        $this->_outPoint($p[0], $p[1]);
                                        for ($i = 2; $i < $nc; $i = $i + 2) {
                                                $this->_outLine($p[$i], $p[$i + 1]);
                                        }
                                        $this->_out($op);
                                }
                                // draw outline
                                $this->_outPoint($p[0], $p[1]);
                                for ($i = 2; $i < $nc; $i = $i + 2) {
                                        $line_num = ($i / 2) - 1;
                                        if (isset($line_style[$line_num])) {
                                                if ($line_style[$line_num] != 0) {
                                                        if (is_array($line_style[$line_num])) {
                                                                $this->_out('S');
                                                                $this->SetLineStyle($line_style[$line_num]);
                                                                $this->_outPoint($p[$i - 2], $p[$i - 1]);
                                                                $this->_outLine($p[$i], $p[$i + 1]);
                                                                $this->_out('S');
                                                                $this->_outPoint($p[$i], $p[$i + 1]);
                                                        } else {
                                                                $this->_outLine($p[$i], $p[$i + 1]);
                                                        }
                                                }
                                        } else {
                                                $this->_outLine($p[$i], $p[$i + 1]);
                                        }
                                }
                                $this->_out($op);
                        }
                }
                if ($draw) {
                        $this->_outPoint($p[0], $p[1]);
                        for ($i = 2; $i < $nc; $i = $i + 2) {
                                $this->_outLine($p[$i], $p[$i + 1]);
                        }
                        $this->_out($op);
                }
        }
 
        public function RegularPolygon($x0, $y0, $r, $ns, $angle=0, $draw_circle=false, $style='', $line_style=array(), $fill_color=array(), $circle_style='', $circle_outLine_style=array(), $circle_fill_color=array()) {
                if (3 > $ns) {
                        $ns = 3;
                }
                if ($draw_circle) {
                        $this->Circle($x0, $y0, $r, 0, 360, $circle_style, $circle_outLine_style, $circle_fill_color);
                }
                $p = array();
                for ($i = 0; $i < $ns; ++$i) {
                        $a = $angle + ($i * 360 / $ns);
                        $a_rad = deg2rad((float) $a);
                        $p[] = $x0 + ($r * sin($a_rad));
                        $p[] = $y0 + ($r * cos($a_rad));
                }
                $this->Polygon($p, $style, $line_style, $fill_color);
        }
 
        public function StarPolygon($x0, $y0, $r, $nv, $ng, $angle=0, $draw_circle=false, $style='', $line_style=array(), $fill_color=array(), $circle_style='', $circle_outLine_style=array(), $circle_fill_color=array()) {
                if ($nv < 2) {
                        $nv = 2;
                }
                if ($draw_circle) {
                        $this->Circle($x0, $y0, $r, 0, 360, $circle_style, $circle_outLine_style, $circle_fill_color);
                }
                $p2 = array();
                $visited = array();
                for ($i = 0; $i < $nv; ++$i) {
                        $a = $angle + ($i * 360 / $nv);
                        $a_rad = deg2rad((float) $a);
                        $p2[] = $x0 + ($r * sin($a_rad));
                        $p2[] = $y0 + ($r * cos($a_rad));
                        $visited[] = false;
                }
                $p = array();
                $i = 0;
                do {
                        $p[] = $p2[$i * 2];
                        $p[] = $p2[($i * 2) + 1];
                        $visited[$i] = true;
                        $i += $ng;
                        $i %= $nv;
                } while (!$visited[$i]);
                $this->Polygon($p, $style, $line_style, $fill_color);
        }
 
        public function RoundedRect($x, $y, $w, $h, $r, $round_corner='1111', $style='', $border_style=array(), $fill_color=array()) {
                $this->RoundedRectXY($x, $y, $w, $h, $r, $r, $round_corner, $style, $border_style, $fill_color);
        }
 
        public function RoundedRectXY($x, $y, $w, $h, $rx, $ry, $round_corner='1111', $style='', $border_style=array(), $fill_color=array()) {
                if ($this->state != 2) {
                        return;
                }
                if (($round_corner == '0000') OR (($rx == $ry) AND ($rx == 0))) {
                        // Not rounded
                        $this->Rect($x, $y, $w, $h, $style, $border_style, $fill_color);
                        return;
                }
                // Rounded
                if (!(false === strpos($style, 'F')) AND isset($fill_color)) {
                        $this->SetFillColorArray($fill_color);
                }
                $op = TCPDF_STATIC::getPathPaintOperator($style);
                if ($op == 'f') {
                        $border_style = array();
                }
                if ($border_style) {
                        $this->SetLineStyle($border_style);
                }
                $MyArc = 4 / 3 * (sqrt(2) - 1);
                $this->_outPoint($x + $rx, $y);
                $xc = $x + $w - $rx;
                $yc = $y + $ry;
                $this->_outLine($xc, $y);
                if ($round_corner[0]) {
                        $this->_outCurve($xc + ($rx * $MyArc), $yc - $ry, $xc + $rx, $yc - ($ry * $MyArc), $xc + $rx, $yc);
                } else {
                        $this->_outLine($x + $w, $y);
                }
                $xc = $x + $w - $rx;
                $yc = $y + $h - $ry;
                $this->_outLine($x + $w, $yc);
                if ($round_corner[1]) {
                        $this->_outCurve($xc + $rx, $yc + ($ry * $MyArc), $xc + ($rx * $MyArc), $yc + $ry, $xc, $yc + $ry);
                } else {
                        $this->_outLine($x + $w, $y + $h);
                }
                $xc = $x + $rx;
                $yc = $y + $h - $ry;
                $this->_outLine($xc, $y + $h);
                if ($round_corner[2]) {
                        $this->_outCurve($xc - ($rx * $MyArc), $yc + $ry, $xc - $rx, $yc + ($ry * $MyArc), $xc - $rx, $yc);
                } else {
                        $this->_outLine($x, $y + $h);
                }
                $xc = $x + $rx;
                $yc = $y + $ry;
                $this->_outLine($x, $yc);
                if ($round_corner[3]) {
                        $this->_outCurve($xc - $rx, $yc - ($ry * $MyArc), $xc - ($rx * $MyArc), $yc - $ry, $xc, $yc - $ry);
                } else {
                        $this->_outLine($x, $y);
                        $this->_outLine($x + $rx, $y);
                }
                $this->_out($op);
        }
 
        public function Arrow($x0, $y0, $x1, $y1, $head_style=0, $arm_size=5, $arm_angle=15) {
                // getting arrow direction angle
                // 0 deg angle is when both arms go along X axis. angle grows clockwise.
                $dir_angle = atan2(($y0 - $y1), ($x0 - $x1));
                if ($dir_angle < 0) {
                        $dir_angle += (2 * M_PI);
                }
                $arm_angle = deg2rad($arm_angle);
                $sx1 = $x1;
                $sy1 = $y1;
                if ($head_style > 0) {
                        // calculate the stopping point for the arrow shaft
                        $sx1 = $x1 + (($arm_size - $this->LineWidth) * cos($dir_angle));
                        $sy1 = $y1 + (($arm_size - $this->LineWidth) * sin($dir_angle));
                }
                // main arrow line / shaft
                $this->Line($x0, $y0, $sx1, $sy1);
                // left arrowhead arm tip
                $x2L = $x1 + ($arm_size * cos($dir_angle + $arm_angle));
                $y2L = $y1 + ($arm_size * sin($dir_angle + $arm_angle));
                // right arrowhead arm tip
                $x2R = $x1 + ($arm_size * cos($dir_angle - $arm_angle));
                $y2R = $y1 + ($arm_size * sin($dir_angle - $arm_angle));
                $mode = 'D';
                $style = array();
                switch ($head_style) {
                        case 0: {
                                // draw only arrowhead arms
                                $mode = 'D';
                                $style = array(1, 1, 0);
                                break;
                        }
                        case 1: {
                                // draw closed arrowhead, but no fill
                                $mode = 'D';
                                break;
                        }
                        case 2: {
                                // closed and filled arrowhead
                                $mode = 'DF';
                                break;
                        }
                        case 3: {
                                // filled arrowhead
                                $mode = 'F';
                                break;
                        }
                }
                $this->Polygon(array($x2L, $y2L, $x1, $y1, $x2R, $y2R), $mode, $style, array());
        }
 
        // END GRAPHIC FUNCTIONS SECTION -----------------------
 
        public function setDestination($name, $y=-1, $page='', $x=-1) {
                // remove unsupported characters
                $name = TCPDF_STATIC::encodeNameObject($name);
                if (TCPDF_STATIC::empty_string($name)) {
                        return false;
                }
                if ($y == -1) {
                        $y = $this->GetY();
                } elseif ($y < 0) {
                        $y = 0;
                } elseif ($y > $this->h) {
                        $y = $this->h;
                }
                if ($x == -1) {
                        $x = $this->GetX();
                } elseif ($x < 0) {
                        $x = 0;
                } elseif ($x > $this->w) {
                        $x = $this->w;
                }
                $fixed = false;
                if (!empty($page) AND ($page[0] == '*')) {
                        $page = intval(substr($page, 1));
                        // this page number will not be changed when moving/add/deleting pages
                        $fixed = true;
                }
                if (empty($page)) {
                        $page = $this->PageNo();
                        if (empty($page)) {
                                return;
                        }
                }
                $this->dests[$name] = array('x' => $x, 'y' => $y, 'p' => $page, 'f' => $fixed);
                return $name;
        }
 
        public function getDestination() {
                return $this->dests;
        }
 
        protected function _putdests() {
                if (empty($this->dests)) {
                        return;
                }
                $this->n_dests = $this->_newobj();
                $out = ' <<';
                foreach($this->dests as $name => $o) {
                        $out .= ' /'.$name.' '.sprintf('[%u 0 R /XYZ %F %F null]', $this->page_obj_id[($o['p'])], ($o['x'] * $this->k), ($this->pagedim[$o['p']]['h'] - ($o['y'] * $this->k)));
                }
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
        }
 
        public function setBookmark($txt, $level=0, $y=-1, $page='', $style='', $color=array(0,0,0), $x=-1, $link='') {
                $this->Bookmark($txt, $level, $y, $page, $style, $color, $x, $link);
        }
 
        public function Bookmark($txt, $level=0, $y=-1, $page='', $style='', $color=array(0,0,0), $x=-1, $link='') {
                if ($level < 0) {
                        $level = 0;
                }
                if (isset($this->outlines[0])) {
                        $lastoutline = end($this->outlines);
                        $maxlevel = $lastoutline['l'] + 1;
                } else {
                        $maxlevel = 0;
                }
                if ($level > $maxlevel) {
                        $level = $maxlevel;
                }
                if ($y == -1) {
                        $y = $this->GetY();
                } elseif ($y < 0) {
                        $y = 0;
                } elseif ($y > $this->h) {
                        $y = $this->h;
                }
                if ($x == -1) {
                        $x = $this->GetX();
                } elseif ($x < 0) {
                        $x = 0;
                } elseif ($x > $this->w) {
                        $x = $this->w;
                }
                $fixed = false;
                if (!empty($page) AND ($page[0] == '*')) {
                        $page = intval(substr($page, 1));
                        // this page number will not be changed when moving/add/deleting pages
                        $fixed = true;
                }
                if (empty($page)) {
                        $page = $this->PageNo();
                        if (empty($page)) {
                                return;
                        }
                }
                $this->outlines[] = array('t' => $txt, 'l' => $level, 'x' => $x, 'y' => $y, 'p' => $page, 'f' => $fixed, 's' => strtoupper($style), 'c' => $color, 'u' => $link);
        }
 
        protected function sortBookmarks() {
                // get sorting columns
                $outline_p = array();
                $outline_y = array();
                foreach ($this->outlines as $key => $row) {
                        $outline_p[$key] = $row['p'];
                        $outline_k[$key] = $key;
                }
                // sort outlines by page and original position
                array_multisort($outline_p, SORT_NUMERIC, SORT_ASC, $outline_k, SORT_NUMERIC, SORT_ASC, $this->outlines);
        }
 
        protected function _putbookmarks() {
                $nb = count($this->outlines);
                if ($nb == 0) {
                        return;
                }
                // sort bookmarks
                $this->sortBookmarks();
                $lru = array();
                $level = 0;
                foreach ($this->outlines as $i => $o) {
                        if ($o['l'] > 0) {
                                $parent = $lru[($o['l'] - 1)];
                                //Set parent and last pointers
                                $this->outlines[$i]['parent'] = $parent;
                                $this->outlines[$parent]['last'] = $i;
                                if ($o['l'] > $level) {
                                        //Level increasing: set first pointer
                                        $this->outlines[$parent]['first'] = $i;
                                }
                        } else {
                                $this->outlines[$i]['parent'] = $nb;
                        }
                        if (($o['l'] <= $level) AND ($i > 0)) {
                                //Set prev and next pointers
                                $prev = $lru[$o['l']];
                                $this->outlines[$prev]['next'] = $i;
                                $this->outlines[$i]['prev'] = $prev;
                        }
                        $lru[$o['l']] = $i;
                        $level = $o['l'];
                }
                //Outline items
                $n = $this->n + 1;
                $nltags = '/<br[\s]?\/>|<\/(blockquote|dd|dl|div|dt|h1|h2|h3|h4|h5|h6|hr|li|ol|p|pre|ul|tcpdf|table|tr|td)>/si';
                foreach ($this->outlines as $i => $o) {
                        $oid = $this->_newobj();
                        // covert HTML title to string
                        $title = preg_replace($nltags, "\n", $o['t']);
                        $title = preg_replace("/[\r]+/si", '', $title);
                        $title = preg_replace("/[\n]+/si", "\n", $title);
                        $title = strip_tags($title);
                        $title = $this->stringTrim($title);
                        $out = '<</Title '.$this->_textstring($title, $oid);
                        $out .= ' /Parent '.($n + $o['parent']).' 0 R';
                        if (isset($o['prev'])) {
                                $out .= ' /Prev '.($n + $o['prev']).' 0 R';
                        }
                        if (isset($o['next'])) {
                                $out .= ' /Next '.($n + $o['next']).' 0 R';
                        }
                        if (isset($o['first'])) {
                                $out .= ' /First '.($n + $o['first']).' 0 R';
                        }
                        if (isset($o['last'])) {
                                $out .= ' /Last '.($n + $o['last']).' 0 R';
                        }
                        if (isset($o['u']) AND !empty($o['u'])) {
                                // link
                                if (is_string($o['u'])) {
                                        if ($o['u'][0] == '#') {
                                                // internal destination
                                                $out .= ' /Dest /'.TCPDF_STATIC::encodeNameObject(substr($o['u'], 1));
                                        } elseif ($o['u'][0] == '%') {
                                                // embedded PDF file
                                                $filename = basename(substr($o['u'], 1));
                                                $out .= ' /A <</S /GoToE /D [0 /Fit] /NewWindow true /T << /R /C /P '.($o['p'] - 1).' /A '.$this->embeddedfiles[$filename]['a'].' >> >>';
                                        } elseif ($o['u'][0] == '*') {
                                                // embedded generic file
                                                $filename = basename(substr($o['u'], 1));
                                                $jsa = 'var D=event.target.doc;var MyData=D.dataObjects;for (var i in MyData) if (MyData[i].path=="'.$filename.'") D.exportDataObject( { cName : MyData[i].name, nLaunch : 2});';
                                                $out .= ' /A <</S /JavaScript /JS '.$this->_textstring($jsa, $oid).'>>';
                                        } else {
                                                // external URI link
                                                $out .= ' /A <</S /URI /URI '.$this->_datastring($this->unhtmlentities($o['u']), $oid).'>>';
                                        }
                                } elseif (isset($this->links[$o['u']])) {
                                        // internal link ID
                                        $l = $this->links[$o['u']];
                                        if (isset($this->page_obj_id[($l['p'])])) {
                                                $out .= sprintf(' /Dest [%u 0 R /XYZ 0 %F null]', $this->page_obj_id[($l['p'])], ($this->pagedim[$l['p']]['h'] - ($l['y'] * $this->k)));
                                        }
                                }
                        } elseif (isset($this->page_obj_id[($o['p'])])) {
                                // link to a page
                                $out .= ' '.sprintf('/Dest [%u 0 R /XYZ %F %F null]', $this->page_obj_id[($o['p'])], ($o['x'] * $this->k), ($this->pagedim[$o['p']]['h'] - ($o['y'] * $this->k)));
                        }
                        // set font style
                        $style = 0;
                        if (!empty($o['s'])) {
                                // bold
                                if (strpos($o['s'], 'B') !== false) {
                                        $style |= 2;
                                }
                                // oblique
                                if (strpos($o['s'], 'I') !== false) {
                                        $style |= 1;
                                }
                        }
                        $out .= sprintf(' /F %d', $style);
                        // set bookmark color
                        if (isset($o['c']) AND is_array($o['c']) AND (count($o['c']) == 3)) {
                                $color = array_values($o['c']);
                                $out .= sprintf(' /C [%F %F %F]', ($color[0] / 255), ($color[1] / 255), ($color[2] / 255));
                        } else {
                                // black
                                $out .= ' /C [0.0 0.0 0.0]';
                        }
                        $out .= ' /Count 0'; // normally closed item
                        $out .= ' >>';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                }
                //Outline root
                $this->OutlineRoot = $this->_newobj();
                $this->_out('<< /Type /Outlines /First '.$n.' 0 R /Last '.($n + $lru[0]).' 0 R >>'."\n".'endobj');
        }
 
        // --- JAVASCRIPT ------------------------------------------------------
 
        public function IncludeJS($script) {
                $this->javascript .= $script;
        }
 
        public function addJavascriptObject($script, $onload=false) {
                if ($this->pdfa_mode) {
                        // javascript is not allowed in PDF/A mode
                        return false;
                }
                ++$this->n;
                $this->js_objects[$this->n] = array('n' => $this->n, 'js' => $script, 'onload' => $onload);
                return $this->n;
        }
 
        protected function _putjavascript() {
                if ($this->pdfa_mode OR (empty($this->javascript) AND empty($this->js_objects))) {
                        return;
                }
                if (strpos($this->javascript, 'this.addField') > 0) {
                        if (!$this->ur['enabled']) {
                                //$this->setUserRights();
                        }
                        // the following two lines are used to avoid form fields duplication after saving
                        // The addField method only works when releasing user rights (UR3)
                        $jsa = sprintf("ftcpdfdocsaved=this.addField('%s','%s',%d,[%F,%F,%F,%F]);", 'tcpdfdocsaved', 'text', 0, 0, 1, 0, 1);
                        $jsb = "getField('tcpdfdocsaved').value='saved';";
                        $this->javascript = $jsa."\n".$this->javascript."\n".$jsb;
                }
                // name tree for javascript
                $this->n_js = '<< /Names [';
                if (!empty($this->javascript)) {
                        $this->n_js .= ' (EmbeddedJS) '.($this->n + 1).' 0 R';
                }
                if (!empty($this->js_objects)) {
                        foreach ($this->js_objects as $key => $val) {
                                if ($val['onload']) {
                                        $this->n_js .= ' (JS'.$key.') '.$key.' 0 R';
                                }
                        }
                }
                $this->n_js .= ' ] >>';
                // default Javascript object
                if (!empty($this->javascript)) {
                        $obj_id = $this->_newobj();
                        $out = '<< /S /JavaScript';
                        $out .= ' /JS '.$this->_textstring($this->javascript, $obj_id);
                        $out .= ' >>';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                }
                // additional Javascript objects
                if (!empty($this->js_objects)) {
                        foreach ($this->js_objects as $key => $val) {
                                $out = $this->_getobj($key)."\n".' << /S /JavaScript /JS '.$this->_textstring($val['js'], $key).' >>'."\n".'endobj';
                                $this->_out($out);
                        }
                }
        }
 
        protected function _addfield($type, $name, $x, $y, $w, $h, $prop) {
                if ($this->rtl) {
                        $x = $x - $w;
                }
                // the followind avoid fields duplication after saving the document
                $this->javascript .= "if (getField('tcpdfdocsaved').value != 'saved') {";
                $k = $this->k;
                $this->javascript .= sprintf("f".$name."=this.addField('%s','%s',%u,[%F,%F,%F,%F]);", $name, $type, $this->PageNo()-1, $x*$k, ($this->h-$y)*$k+1, ($x+$w)*$k, ($this->h-$y-$h)*$k+1)."\n";
                $this->javascript .= 'f'.$name.'.textSize='.$this->FontSizePt.";\n";
                while (list($key, $val) = each($prop)) {
                        if (strcmp(substr($key, -5), 'Color') == 0) {
                                $val = TCPDF_COLORS::_JScolor($val);
                        } else {
                                $val = "'".$val."'";
                        }
                        $this->javascript .= 'f'.$name.'.'.$key.'='.$val.";\n";
                }
                if ($this->rtl) {
                        $this->x -= $w;
                } else {
                        $this->x += $w;
                }
                $this->javascript .= '}';
        }
 
        // --- FORM FIELDS -----------------------------------------------------
 
 
 
        public function setFormDefaultProp($prop=array()) {
                $this->default_form_prop = $prop;
        }
 
        public function getFormDefaultProp() {
                return $this->default_form_prop;
        }
 
        public function TextField($name, $w, $h, $prop=array(), $opt=array(), $x='', $y='', $js=false) {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                if ($js) {
                        $this->_addfield('text', $name, $x, $y, $w, $h, $prop);
                        return;
                }
                // get default style
                $prop = array_merge($this->getFormDefaultProp(), $prop);
                // get annotation data
                $popt = TCPDF_STATIC::getAnnotOptFromJSProp($prop, $this->spot_colors, $this->rtl);
                // set default appearance stream
                $this->annotation_fonts[$this->CurrentFont['fontkey']] = $this->CurrentFont['i'];
                $fontstyle = sprintf('/F%d %F Tf %s', $this->CurrentFont['i'], $this->FontSizePt, $this->TextColor);
                $popt['da'] = $fontstyle;
                // build appearance stream
                $popt['ap'] = array();
                $popt['ap']['n'] = '/Tx BMC q '.$fontstyle.' ';
                $text = '';
                if (isset($prop['value']) AND !empty($prop['value'])) {
                        $text = $prop['value'];
                } elseif (isset($opt['v']) AND !empty($opt['v'])) {
                        $text = $opt['v'];
                }
                $tmpid = $this->startTemplate($w, $h, false);
                $align = '';
                if (isset($popt['q'])) {
                        switch ($popt['q']) {
                                case 0: {
                                        $align = 'L';
                                        break;
                                }
                                case 1: {
                                        $align = 'C';
                                        break;
                                }
                                case 2: {
                                        $align = 'R';
                                        break;
                                }
                                default: {
                                        $align = '';
                                        break;
                                }
                        }
                }
                $this->MultiCell($w, $h, $text, 0, $align, false, 0, 0, 0, true, 0, false, true, 0, 'T', false);
                $this->endTemplate();
                --$this->n;
                $popt['ap']['n'] .= $this->xobjects[$tmpid]['outdata'];
                unset($this->xobjects[$tmpid]);
                $popt['ap']['n'] .= 'Q EMC';
                // merge options
                $opt = array_merge($popt, $opt);
                // remove some conflicting options
                unset($opt['bs']);
                // set remaining annotation data
                $opt['Subtype'] = 'Widget';
                $opt['ft'] = 'Tx';
                $opt['t'] = $name;
                // Additional annotation's parameters (check _putannotsobj() method):
                //$opt['f']
                //$opt['as']
                //$opt['bs']
                //$opt['be']
                //$opt['c']
                //$opt['border']
                //$opt['h']
                //$opt['mk'];
                //$opt['mk']['r']
                //$opt['mk']['bc'];
                //$opt['mk']['bg'];
                unset($opt['mk']['ca']);
                unset($opt['mk']['rc']);
                unset($opt['mk']['ac']);
                unset($opt['mk']['i']);
                unset($opt['mk']['ri']);
                unset($opt['mk']['ix']);
                unset($opt['mk']['if']);
                //$opt['mk']['if']['sw'];
                //$opt['mk']['if']['s'];
                //$opt['mk']['if']['a'];
                //$opt['mk']['if']['fb'];
                unset($opt['mk']['tp']);
                //$opt['tu']
                //$opt['tm']
                //$opt['ff']
                //$opt['v']
                //$opt['dv']
                //$opt['a']
                //$opt['aa']
                //$opt['q']
                $this->Annotation($x, $y, $w, $h, $name, $opt, 0);
                if ($this->rtl) {
                        $this->x -= $w;
                } else {
                        $this->x += $w;
                }
        }
 
        public function RadioButton($name, $w, $prop=array(), $opt=array(), $onvalue='On', $checked=false, $x='', $y='', $js=false) {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($w, $x, $y);
                if ($js) {
                        $this->_addfield('radiobutton', $name, $x, $y, $w, $w, $prop);
                        return;
                }
                if (TCPDF_STATIC::empty_string($onvalue)) {
                        $onvalue = 'On';
                }
                if ($checked) {
                        $defval = $onvalue;
                } else {
                        $defval = 'Off';
                }
                // set font
                $font = 'zapfdingbats';
                if ($this->pdfa_mode) {
                        // all fonts must be embedded
                        $font = 'pdfa'.$font;
                }
                $this->AddFont($font);
                $tmpfont = $this->getFontBuffer($font);
                // set data for parent group
                if (!isset($this->radiobutton_groups[$this->page])) {
                        $this->radiobutton_groups[$this->page] = array();
                }
                if (!isset($this->radiobutton_groups[$this->page][$name])) {
                        $this->radiobutton_groups[$this->page][$name] = array();
                        ++$this->n;
                        $this->radiobutton_groups[$this->page][$name]['n'] = $this->n;
                        $this->radio_groups[] = $this->n;
                }
                $kid = ($this->n + 1);
                // save object ID to be added on Kids entry on parent object
                $this->radiobutton_groups[$this->page][$name][] = array('kid' => $kid, 'def' => $defval);
                // get default style
                $prop = array_merge($this->getFormDefaultProp(), $prop);
                $prop['NoToggleToOff'] = 'true';
                $prop['Radio'] = 'true';
                $prop['borderStyle'] = 'inset';
                // get annotation data
                $popt = TCPDF_STATIC::getAnnotOptFromJSProp($prop, $this->spot_colors, $this->rtl);
                // set additional default options
                $this->annotation_fonts[$tmpfont['fontkey']] = $tmpfont['i'];
                $fontstyle = sprintf('/F%d %F Tf %s', $tmpfont['i'], $this->FontSizePt, $this->TextColor);
                $popt['da'] = $fontstyle;
                // build appearance stream
                $popt['ap'] = array();
                $popt['ap']['n'] = array();
                $fx = ((($w - $this->getAbsFontMeasure($tmpfont['cw'][108])) / 2) * $this->k);
                $fy = (($w - ((($tmpfont['desc']['Ascent'] - $tmpfont['desc']['Descent']) * $this->FontSizePt / 1000) / $this->k)) * $this->k);
                $popt['ap']['n'][$onvalue] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(108).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);
                $popt['ap']['n']['Off'] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(109).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);
                if (!isset($popt['mk'])) {
                        $popt['mk'] = array();
                }
                $popt['mk']['ca'] = '(l)';
                // merge options
                $opt = array_merge($popt, $opt);
                // set remaining annotation data
                $opt['Subtype'] = 'Widget';
                $opt['ft'] = 'Btn';
                if ($checked) {
                        $opt['v'] = array('/'.$onvalue);
                        $opt['as'] = $onvalue;
                } else {
                        $opt['as'] = 'Off';
                }
                // store readonly flag
                if (!isset($this->radiobutton_groups[$this->page][$name]['#readonly#'])) {
                        $this->radiobutton_groups[$this->page][$name]['#readonly#'] = false;
                }
                $this->radiobutton_groups[$this->page][$name]['#readonly#'] |= ($opt['f'] & 64);
                $this->Annotation($x, $y, $w, $w, $name, $opt, 0);
                if ($this->rtl) {
                        $this->x -= $w;
                } else {
                        $this->x += $w;
                }
        }
 
        public function ListBox($name, $w, $h, $values, $prop=array(), $opt=array(), $x='', $y='', $js=false) {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                if ($js) {
                        $this->_addfield('listbox', $name, $x, $y, $w, $h, $prop);
                        $s = '';
                        foreach ($values as $value) {
                                if (is_array($value)) {
                                        $s .= ',[\''.addslashes($value[1]).'\',\''.addslashes($value[0]).'\']';
                                } else {
                                        $s .= ',[\''.addslashes($value).'\',\''.addslashes($value).'\']';
                                }
                        }
                        $this->javascript .= 'f'.$name.'.setItems('.substr($s, 1).');'."\n";
                        return;
                }
                // get default style
                $prop = array_merge($this->getFormDefaultProp(), $prop);
                // get annotation data
                $popt = TCPDF_STATIC::getAnnotOptFromJSProp($prop, $this->spot_colors, $this->rtl);
                // set additional default values
                $this->annotation_fonts[$this->CurrentFont['fontkey']] = $this->CurrentFont['i'];
                $fontstyle = sprintf('/F%d %F Tf %s', $this->CurrentFont['i'], $this->FontSizePt, $this->TextColor);
                $popt['da'] = $fontstyle;
                // build appearance stream
                $popt['ap'] = array();
                $popt['ap']['n'] = '/Tx BMC q '.$fontstyle.' ';
                $text = '';
                foreach($values as $item) {
                        if (is_array($item)) {
                                $text .= $item[1]."\n";
                        } else {
                                $text .= $item."\n";
                        }
                }
                $tmpid = $this->startTemplate($w, $h, false);
                $this->MultiCell($w, $h, $text, 0, '', false, 0, 0, 0, true, 0, false, true, 0, 'T', false);
                $this->endTemplate();
                --$this->n;
                $popt['ap']['n'] .= $this->xobjects[$tmpid]['outdata'];
                unset($this->xobjects[$tmpid]);
                $popt['ap']['n'] .= 'Q EMC';
                // merge options
                $opt = array_merge($popt, $opt);
                // set remaining annotation data
                $opt['Subtype'] = 'Widget';
                $opt['ft'] = 'Ch';
                $opt['t'] = $name;
                $opt['opt'] = $values;
                unset($opt['mk']['ca']);
                unset($opt['mk']['rc']);
                unset($opt['mk']['ac']);
                unset($opt['mk']['i']);
                unset($opt['mk']['ri']);
                unset($opt['mk']['ix']);
                unset($opt['mk']['if']);
                unset($opt['mk']['tp']);
                $this->Annotation($x, $y, $w, $h, $name, $opt, 0);
                if ($this->rtl) {
                        $this->x -= $w;
                } else {
                        $this->x += $w;
                }
        }
 
        public function ComboBox($name, $w, $h, $values, $prop=array(), $opt=array(), $x='', $y='', $js=false) {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                if ($js) {
                        $this->_addfield('combobox', $name, $x, $y, $w, $h, $prop);
                        $s = '';
                        foreach ($values as $value) {
                                if (is_array($value)) {
                                        $s .= ',[\''.addslashes($value[1]).'\',\''.addslashes($value[0]).'\']';
                                } else {
                                        $s .= ',[\''.addslashes($value).'\',\''.addslashes($value).'\']';
                                }
                        }
                        $this->javascript .= 'f'.$name.'.setItems('.substr($s, 1).');'."\n";
                        return;
                }
                // get default style
                $prop = array_merge($this->getFormDefaultProp(), $prop);
                $prop['Combo'] = true;
                // get annotation data
                $popt = TCPDF_STATIC::getAnnotOptFromJSProp($prop, $this->spot_colors, $this->rtl);
                // set additional default options
                $this->annotation_fonts[$this->CurrentFont['fontkey']] = $this->CurrentFont['i'];
                $fontstyle = sprintf('/F%d %F Tf %s', $this->CurrentFont['i'], $this->FontSizePt, $this->TextColor);
                $popt['da'] = $fontstyle;
                // build appearance stream
                $popt['ap'] = array();
                $popt['ap']['n'] = '/Tx BMC q '.$fontstyle.' ';
                $text = '';
                foreach($values as $item) {
                        if (is_array($item)) {
                                $text .= $item[1]."\n";
                        } else {
                                $text .= $item."\n";
                        }
                }
                $tmpid = $this->startTemplate($w, $h, false);
                $this->MultiCell($w, $h, $text, 0, '', false, 0, 0, 0, true, 0, false, true, 0, 'T', false);
                $this->endTemplate();
                --$this->n;
                $popt['ap']['n'] .= $this->xobjects[$tmpid]['outdata'];
                unset($this->xobjects[$tmpid]);
                $popt['ap']['n'] .= 'Q EMC';
                // merge options
                $opt = array_merge($popt, $opt);
                // set remaining annotation data
                $opt['Subtype'] = 'Widget';
                $opt['ft'] = 'Ch';
                $opt['t'] = $name;
                $opt['opt'] = $values;
                unset($opt['mk']['ca']);
                unset($opt['mk']['rc']);
                unset($opt['mk']['ac']);
                unset($opt['mk']['i']);
                unset($opt['mk']['ri']);
                unset($opt['mk']['ix']);
                unset($opt['mk']['if']);
                unset($opt['mk']['tp']);
                $this->Annotation($x, $y, $w, $h, $name, $opt, 0);
                if ($this->rtl) {
                        $this->x -= $w;
                } else {
                        $this->x += $w;
                }
        }
 
        public function CheckBox($name, $w, $checked=false, $prop=array(), $opt=array(), $onvalue='Yes', $x='', $y='', $js=false) {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($w, $x, $y);
                if ($js) {
                        $this->_addfield('checkbox', $name, $x, $y, $w, $w, $prop);
                        return;
                }
                if (!isset($prop['value'])) {
                        $prop['value'] = array('Yes');
                }
                // get default style
                $prop = array_merge($this->getFormDefaultProp(), $prop);
                $prop['borderStyle'] = 'inset';
                // get annotation data
                $popt = TCPDF_STATIC::getAnnotOptFromJSProp($prop, $this->spot_colors, $this->rtl);
                // set additional default options
                $font = 'zapfdingbats';
                if ($this->pdfa_mode) {
                        // all fonts must be embedded
                        $font = 'pdfa'.$font;
                }
                $this->AddFont($font);
                $tmpfont = $this->getFontBuffer($font);
                $this->annotation_fonts[$tmpfont['fontkey']] = $tmpfont['i'];
                $fontstyle = sprintf('/F%d %F Tf %s', $tmpfont['i'], $this->FontSizePt, $this->TextColor);
                $popt['da'] = $fontstyle;
                // build appearance stream
                $popt['ap'] = array();
                $popt['ap']['n'] = array();
                $fx = ((($w - $this->getAbsFontMeasure($tmpfont['cw'][110])) / 2) * $this->k);
                $fy = (($w - ((($tmpfont['desc']['Ascent'] - $tmpfont['desc']['Descent']) * $this->FontSizePt / 1000) / $this->k)) * $this->k);
                $popt['ap']['n']['Yes'] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(110).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);
                $popt['ap']['n']['Off'] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(111).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);
                // merge options
                $opt = array_merge($popt, $opt);
                // set remaining annotation data
                $opt['Subtype'] = 'Widget';
                $opt['ft'] = 'Btn';
                $opt['t'] = $name;
                if (TCPDF_STATIC::empty_string($onvalue)) {
                        $onvalue = 'Yes';
                }
                $opt['opt'] = array($onvalue);
                if ($checked) {
                        $opt['v'] = array('/Yes');
                        $opt['as'] = 'Yes';
                } else {
                        $opt['v'] = array('/Off');
                        $opt['as'] = 'Off';
                }
                $this->Annotation($x, $y, $w, $w, $name, $opt, 0);
                if ($this->rtl) {
                        $this->x -= $w;
                } else {
                        $this->x += $w;
                }
        }
 
        public function Button($name, $w, $h, $caption, $action, $prop=array(), $opt=array(), $x='', $y='', $js=false) {
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                if ($js) {
                        $this->_addfield('button', $name, $this->x, $this->y, $w, $h, $prop);
                        $this->javascript .= 'f'.$name.".buttonSetCaption('".addslashes($caption)."');\n";
                        $this->javascript .= 'f'.$name.".setAction('MouseUp','".addslashes($action)."');\n";
                        $this->javascript .= 'f'.$name.".highlight='push';\n";
                        $this->javascript .= 'f'.$name.".print=false;\n";
                        return;
                }
                // get default style
                $prop = array_merge($this->getFormDefaultProp(), $prop);
                $prop['Pushbutton'] = 'true';
                $prop['highlight'] = 'push';
                $prop['display'] = 'display.noPrint';
                // get annotation data
                $popt = TCPDF_STATIC::getAnnotOptFromJSProp($prop, $this->spot_colors, $this->rtl);
                $this->annotation_fonts[$this->CurrentFont['fontkey']] = $this->CurrentFont['i'];
                $fontstyle = sprintf('/F%d %F Tf %s', $this->CurrentFont['i'], $this->FontSizePt, $this->TextColor);
                $popt['da'] = $fontstyle;
                // build appearance stream
                $popt['ap'] = array();
                $popt['ap']['n'] = '/Tx BMC q '.$fontstyle.' ';
                $tmpid = $this->startTemplate($w, $h, false);
                $bw = (2 / $this->k); // border width
                $border = array(
                        'L' => array('width' => $bw, 'cap' => 'square', 'join' => 'miter', 'dash' => 0, 'color' => array(231)),
                        'R' => array('width' => $bw, 'cap' => 'square', 'join' => 'miter', 'dash' => 0, 'color' => array(51)),
                        'T' => array('width' => $bw, 'cap' => 'square', 'join' => 'miter', 'dash' => 0, 'color' => array(231)),
                        'B' => array('width' => $bw, 'cap' => 'square', 'join' => 'miter', 'dash' => 0, 'color' => array(51)));
                $this->SetFillColor(204);
                $this->Cell($w, $h, $caption, $border, 0, 'C', true, '', 1, false, 'T', 'M');
                $this->endTemplate();
                --$this->n;
                $popt['ap']['n'] .= $this->xobjects[$tmpid]['outdata'];
                unset($this->xobjects[$tmpid]);
                $popt['ap']['n'] .= 'Q EMC';
                // set additional default options
                if (!isset($popt['mk'])) {
                        $popt['mk'] = array();
                }
                $ann_obj_id = ($this->n + 1);
                if (!empty($action) AND !is_array($action)) {
                        $ann_obj_id = ($this->n + 2);
                }
                $popt['mk']['ca'] = $this->_textstring($caption, $ann_obj_id);
                $popt['mk']['rc'] = $this->_textstring($caption, $ann_obj_id);
                $popt['mk']['ac'] = $this->_textstring($caption, $ann_obj_id);
                // merge options
                $opt = array_merge($popt, $opt);
                // set remaining annotation data
                $opt['Subtype'] = 'Widget';
                $opt['ft'] = 'Btn';
                $opt['t'] = $caption;
                $opt['v'] = $name;
                if (!empty($action)) {
                        if (is_array($action)) {
                                // form action options as on section 12.7.5 of PDF32000_2008.
                                $opt['aa'] = '/D <<';
                                $bmode = array('SubmitForm', 'ResetForm', 'ImportData');
                                foreach ($action AS $key => $val) {
                                        if (($key == 'S') AND in_array($val, $bmode)) {
                                                $opt['aa'] .= ' /S /'.$val;
                                        } elseif (($key == 'F') AND (!empty($val))) {
                                                $opt['aa'] .= ' /F '.$this->_datastring($val, $ann_obj_id);
                                        } elseif (($key == 'Fields') AND is_array($val) AND !empty($val)) {
                                                $opt['aa'] .= ' /Fields [';
                                                foreach ($val AS $field) {
                                                        $opt['aa'] .= ' '.$this->_textstring($field, $ann_obj_id);
                                                }
                                                $opt['aa'] .= ']';
                                        } elseif (($key == 'Flags')) {
                                                $ff = 0;
                                                if (is_array($val)) {
                                                        foreach ($val AS $flag) {
                                                                switch ($flag) {
                                                                        case 'Include/Exclude': {
                                                                                $ff += 1 << 0;
                                                                                break;
                                                                        }
                                                                        case 'IncludeNoValueFields': {
                                                                                $ff += 1 << 1;
                                                                                break;
                                                                        }
                                                                        case 'ExportFormat': {
                                                                                $ff += 1 << 2;
                                                                                break;
                                                                        }
                                                                        case 'GetMethod': {
                                                                                $ff += 1 << 3;
                                                                                break;
                                                                        }
                                                                        case 'SubmitCoordinates': {
                                                                                $ff += 1 << 4;
                                                                                break;
                                                                        }
                                                                        case 'XFDF': {
                                                                                $ff += 1 << 5;
                                                                                break;
                                                                        }
                                                                        case 'IncludeAppendSaves': {
                                                                                $ff += 1 << 6;
                                                                                break;
                                                                        }
                                                                        case 'IncludeAnnotations': {
                                                                                $ff += 1 << 7;
                                                                                break;
                                                                        }
                                                                        case 'SubmitPDF': {
                                                                                $ff += 1 << 8;
                                                                                break;
                                                                        }
                                                                        case 'CanonicalFormat': {
                                                                                $ff += 1 << 9;
                                                                                break;
                                                                        }
                                                                        case 'ExclNonUserAnnots': {
                                                                                $ff += 1 << 10;
                                                                                break;
                                                                        }
                                                                        case 'ExclFKey': {
                                                                                $ff += 1 << 11;
                                                                                break;
                                                                        }
                                                                        case 'EmbedForm': {
                                                                                $ff += 1 << 13;
                                                                                break;
                                                                        }
                                                                }
                                                        }
                                                } else {
                                                        $ff = intval($val);
                                                }
                                                $opt['aa'] .= ' /Flags '.$ff;
                                        }
                                }
                                $opt['aa'] .= ' >>';
                        } else {
                                // Javascript action or raw action command
                                $js_obj_id = $this->addJavascriptObject($action);
                                $opt['aa'] = '/D '.$js_obj_id.' 0 R';
                        }
                }
                $this->Annotation($x, $y, $w, $h, $name, $opt, 0);
                if ($this->rtl) {
                        $this->x -= $w;
                } else {
                        $this->x += $w;
                }
        }
 
        // --- END FORMS FIELDS ------------------------------------------------
 
        protected function _putsignature() {
                if ((!$this->sign) OR (!isset($this->signature_data['cert_type']))) {
                        return;
                }
                $sigobjid = ($this->sig_obj_id + 1);
                $out = $this->_getobj($sigobjid)."\n";
                $out .= '<< /Type /Sig';
                $out .= ' /Filter /Adobe.PPKLite';
                $out .= ' /SubFilter /adbe.pkcs7.detached';
                $out .= ' '.TCPDF_STATIC::$byterange_string;
                $out .= ' /Contents<'.str_repeat('0', $this->signature_max_length).'>';
                if (empty($this->signature_data['approval']) OR ($this->signature_data['approval'] != 'A')) {
                        $out .= ' /Reference ['; // array of signature reference dictionaries
                        $out .= ' << /Type /SigRef';
                        if ($this->signature_data['cert_type'] > 0) {
                                $out .= ' /TransformMethod /DocMDP';
                                $out .= ' /TransformParams <<';
                                $out .= ' /Type /TransformParams';
                                $out .= ' /P '.$this->signature_data['cert_type'];
                                $out .= ' /V /1.2';
                        } else {
                                $out .= ' /TransformMethod /UR3';
                                $out .= ' /TransformParams <<';
                                $out .= ' /Type /TransformParams';
                                $out .= ' /V /2.2';
                                if (!TCPDF_STATIC::empty_string($this->ur['document'])) {
                                        $out .= ' /Document['.$this->ur['document'].']';
                                }
                                if (!TCPDF_STATIC::empty_string($this->ur['form'])) {
                                        $out .= ' /Form['.$this->ur['form'].']';
                                }
                                if (!TCPDF_STATIC::empty_string($this->ur['signature'])) {
                                        $out .= ' /Signature['.$this->ur['signature'].']';
                                }
                                if (!TCPDF_STATIC::empty_string($this->ur['annots'])) {
                                        $out .= ' /Annots['.$this->ur['annots'].']';
                                }
                                if (!TCPDF_STATIC::empty_string($this->ur['ef'])) {
                                        $out .= ' /EF['.$this->ur['ef'].']';
                                }
                                if (!TCPDF_STATIC::empty_string($this->ur['formex'])) {
                                        $out .= ' /FormEX['.$this->ur['formex'].']';
                                }
                        }
                        $out .= ' >>'; // close TransformParams
                        // optional digest data (values must be calculated and replaced later)
                        //$out .= ' /Data ********** 0 R';
                        //$out .= ' /DigestMethod/MD5';
                        //$out .= ' /DigestLocation[********** 34]';
                        //$out .= ' /DigestValue<********************************>';
                        $out .= ' >>';
                        $out .= ' ]'; // end of reference
                }
                if (isset($this->signature_data['info']['Name']) AND !TCPDF_STATIC::empty_string($this->signature_data['info']['Name'])) {
                        $out .= ' /Name '.$this->_textstring($this->signature_data['info']['Name'], $sigobjid);
                }
                if (isset($this->signature_data['info']['Location']) AND !TCPDF_STATIC::empty_string($this->signature_data['info']['Location'])) {
                        $out .= ' /Location '.$this->_textstring($this->signature_data['info']['Location'], $sigobjid);
                }
                if (isset($this->signature_data['info']['Reason']) AND !TCPDF_STATIC::empty_string($this->signature_data['info']['Reason'])) {
                        $out .= ' /Reason '.$this->_textstring($this->signature_data['info']['Reason'], $sigobjid);
                }
                if (isset($this->signature_data['info']['ContactInfo']) AND !TCPDF_STATIC::empty_string($this->signature_data['info']['ContactInfo'])) {
                        $out .= ' /ContactInfo '.$this->_textstring($this->signature_data['info']['ContactInfo'], $sigobjid);
                }
                $out .= ' /M '.$this->_datestring($sigobjid, $this->doc_modification_timestamp);
                $out .= ' >>';
                $out .= "\n".'endobj';
                $this->_out($out);
        }
 
        public function setUserRights(
                        $enable=true,
                        $document='/FullSave',
                        $annots='/Create/Delete/Modify/Copy/Import/Export',
                        $form='/Add/Delete/FillIn/Import/Export/SubmitStandalone/SpawnTemplate',
                        $signature='/Modify',
                        $ef='/Create/Delete/Modify/Import',
                        $formex='') {
                $this->ur['enabled'] = $enable;
                $this->ur['document'] = $document;
                $this->ur['annots'] = $annots;
                $this->ur['form'] = $form;
                $this->ur['signature'] = $signature;
                $this->ur['ef'] = $ef;
                $this->ur['formex'] = $formex;
                if (!$this->sign) {
                        $this->setSignature('', '', '', '', 0, array());
                }
        }
 
        public function setSignature($signing_cert='', $private_key='', $private_key_password='', $extracerts='', $cert_type=2, $info=array(), $approval='') {
                // to create self-signed signature: openssl req -x509 -nodes -days 365000 -newkey rsa:1024 -keyout tcpdf.crt -out tcpdf.crt
                // to export crt to p12: openssl pkcs12 -export -in tcpdf.crt -out tcpdf.p12
                // to convert pfx certificate to pem: openssl
                //     OpenSSL> pkcs12 -in <cert.pfx> -out <cert.crt> -nodes
                $this->sign = true;
                ++$this->n;
                $this->sig_obj_id = $this->n; // signature widget
                ++$this->n; // signature object ($this->sig_obj_id + 1)
                $this->signature_data = array();
                if (strlen($signing_cert) == 0) {
                        $this->Error('Please provide a certificate file and password!');
                }
                if (strlen($private_key) == 0) {
                        $private_key = $signing_cert;
                }
                $this->signature_data['signcert'] = $signing_cert;
                $this->signature_data['privkey'] = $private_key;
                $this->signature_data['password'] = $private_key_password;
                $this->signature_data['extracerts'] = $extracerts;
                $this->signature_data['cert_type'] = $cert_type;
                $this->signature_data['info'] = $info;
                $this->signature_data['approval'] = $approval;
        }
 
        public function setSignatureAppearance($x=0, $y=0, $w=0, $h=0, $page=-1, $name='') {
                $this->signature_appearance = $this->getSignatureAppearanceArray($x, $y, $w, $h, $page, $name);
        }
 
        public function addEmptySignatureAppearance($x=0, $y=0, $w=0, $h=0, $page=-1, $name='') {
                ++$this->n;
                $this->empty_signature_appearance[] = array('objid' => $this->n) + $this->getSignatureAppearanceArray($x, $y, $w, $h, $page, $name);
        }
 
        protected function getSignatureAppearanceArray($x=0, $y=0, $w=0, $h=0, $page=-1, $name='') {
                $sigapp = array();
                if (($page < 1) OR ($page > $this->numpages)) {
                        $sigapp['page'] = $this->page;
                } else {
                        $sigapp['page'] = intval($page);
                }
                if (empty($name)) {
                        $sigapp['name'] = 'Signature';
                } else {
                        $sigapp['name'] = $name;
                }
                $a = $x * $this->k;
                $b = $this->pagedim[($sigapp['page'])]['h'] - (($y + $h) * $this->k);
                $c = $w * $this->k;
                $d = $h * $this->k;
                $sigapp['rect'] = sprintf('%F %F %F %F', $a, $b, ($a + $c), ($b + $d));
                return $sigapp;
        }
 
        public function setTimeStamp($tsa_host='', $tsa_username='', $tsa_password='', $tsa_cert='') {
                $this->tsa_data = array();
                if (!function_exists('curl_init')) {
                        $this->Error('Please enable cURL PHP extension!');
                }
                if (strlen($tsa_host) == 0) {
                        $this->Error('Please specify the host of Time Stamping Authority (TSA)!');
                }
                $this->tsa_data['tsa_host'] = $tsa_host;
                if (is_file($tsa_username)) {
                        $this->tsa_data['tsa_auth'] = $tsa_username;
                } else {
                        $this->tsa_data['tsa_username'] = $tsa_username;
                }
                $this->tsa_data['tsa_password'] = $tsa_password;
                $this->tsa_data['tsa_cert'] = $tsa_cert;
                $this->tsa_timestamp = true;
        }
 
        protected function applyTSA($signature) {
                if (!$this->tsa_timestamp) {
                        return $signature;
                }
                //@TODO: implement this feature
                return $signature;
        }
 
        public function startPageGroup($page='') {
                if (empty($page)) {
                        $page = $this->page + 1;
                }
                $this->newpagegroup[$page] = sizeof($this->newpagegroup) + 1;
        }
 
        public function setStartingPageNumber($num=1) {
                $this->starting_page_number = max(0, intval($num));
        }
 
        public function getAliasRightShift() {
                // calculate aproximatively the ratio between widths of aliases and replacements.
                $ref = '{'.TCPDF_STATIC::$alias_right_shift.'}{'.TCPDF_STATIC::$alias_tot_pages.'}{'.TCPDF_STATIC::$alias_num_page.'}';
                $rep = str_repeat(' ', $this->GetNumChars($ref));
                $wrep = $this->GetStringWidth($rep);
                if ($wrep > 0) {
                        $wdiff = max(1, ($this->GetStringWidth($ref) / $wrep));
                } else {
                        $wdiff = 1;
                }
                $sdiff = sprintf('%F', $wdiff);
                $alias = TCPDF_STATIC::$alias_right_shift.$sdiff.'}';
                if ($this->isUnicodeFont()) {
                        $alias = '{'.$alias;
                }
                return $alias;
        }
 
        public function getAliasNbPages() {
                if ($this->isUnicodeFont()) {
                        return '{'.TCPDF_STATIC::$alias_tot_pages.'}';
                }
                return TCPDF_STATIC::$alias_tot_pages;
        }
 
        public function getAliasNumPage() {
                if ($this->isUnicodeFont()) {
                        return '{'.TCPDF_STATIC::$alias_num_page.'}';
                }
                return TCPDF_STATIC::$alias_num_page;
        }
 
        public function getPageGroupAlias() {
                if ($this->isUnicodeFont()) {
                        return '{'.TCPDF_STATIC::$alias_group_tot_pages.'}';
                }
                return TCPDF_STATIC::$alias_group_tot_pages;
        }
 
        public function getPageNumGroupAlias() {
                if ($this->isUnicodeFont()) {
                        return '{'.TCPDF_STATIC::$alias_group_num_page.'}';
                }
                return TCPDF_STATIC::$alias_group_num_page;
        }
 
        public function getGroupPageNo() {
                return $this->pagegroups[$this->currpagegroup];
        }
 
        public function getGroupPageNoFormatted() {
                return TCPDF_STATIC::formatPageNumber($this->getGroupPageNo());
        }
 
        public function PageNoFormatted() {
                return TCPDF_STATIC::formatPageNumber($this->PageNo());
        }
 
        protected function _putocg() {
                if (empty($this->pdflayers)) {
                        return;
                }
                foreach ($this->pdflayers as $key => $layer) {
                         $this->pdflayers[$key]['objid'] = $this->_newobj();
                         $out = '<< /Type /OCG';
                         $out .= ' /Name '.$this->_textstring($layer['name'], $this->pdflayers[$key]['objid']);
                         $out .= ' /Usage <<';
                         if (isset($layer['print']) AND ($layer['print'] !== NULL)) {
                                $out .= ' /Print <</PrintState /'.($layer['print']?'ON':'OFF').'>>';
                         }
                         $out .= ' /View <</ViewState /'.($layer['view']?'ON':'OFF').'>>';
                         $out .= ' >> >>';
                         $out .= "\n".'endobj';
                         $this->_out($out);
                }
        }
 
        public function startLayer($name='', $print=true, $view=true, $lock=true) {
                if ($this->state != 2) {
                        return;
                }
                $layer = sprintf('LYR%03d', (count($this->pdflayers) + 1));
                if (empty($name)) {
                        $name = $layer;
                } else {
                        $name = preg_replace('/[^a-zA-Z0-9_\-]/', '', $name);
                }
                $this->pdflayers[] = array('layer' => $layer, 'name' => $name, 'print' => $print, 'view' => $view, 'lock' => $lock);
                $this->openMarkedContent = true;
                $this->_out('/OC /'.$layer.' BDC');
        }
 
        public function endLayer() {
                if ($this->state != 2) {
                        return;
                }
                if ($this->openMarkedContent) {
                        // close existing open marked-content layer
                        $this->_out('EMC');
                        $this->openMarkedContent = false;
                }
        }
 
        public function setVisibility($v) {
                if ($this->state != 2) {
                        return;
                }
                $this->endLayer();
                switch($v) {
                        case 'print': {
                                $this->startLayer('Print', true, false);
                                break;
                        }
                        case 'view':
                        case 'screen': {
                                $this->startLayer('View', false, true);
                                break;
                        }
                        case 'all': {
                                $this->_out('');
                                break;
                        }
                        default: {
                                $this->Error('Incorrect visibility: '.$v);
                                break;
                        }
                }
        }
 
        protected function addExtGState($parms) {
                if ($this->pdfa_mode) {
                        // transparencies are not allowed in PDF/A mode
                        return;
                }
                // check if this ExtGState already exist
                foreach ($this->extgstates as $i => $ext) {
                        if ($ext['parms'] == $parms) {
                                if ($this->inxobj) {
                                        // we are inside an XObject template
                                        $this->xobjects[$this->xobjid]['extgstates'][$i] = $ext;
                                }
                                // return reference to existing ExtGState
                                return $i;
                        }
                }
                $n = (count($this->extgstates) + 1);
                $this->extgstates[$n] = array('parms' => $parms);
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $this->xobjects[$this->xobjid]['extgstates'][$n] = $this->extgstates[$n];
                }
                return $n;
        }
 
        protected function setExtGState($gs) {
                if ($this->pdfa_mode OR ($this->state != 2)) {
                        // transparency is not allowed in PDF/A mode
                        return;
                }
                $this->_out(sprintf('/GS%d gs', $gs));
        }
 
        protected function _putextgstates() {
                foreach ($this->extgstates as $i => $ext) {
                        $this->extgstates[$i]['n'] = $this->_newobj();
                        $out = '<< /Type /ExtGState';
                        foreach ($ext['parms'] as $k => $v) {
                                if (is_float($v)) {
                                        $v = sprintf('%F', $v);
                                } elseif ($v === true) {
                                        $v = 'true';
                                } elseif ($v === false) {
                                        $v = 'false';
                                }
                                $out .= ' /'.$k.' '.$v;
                        }
                        $out .= ' >>';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                }
        }
 
        public function setOverprint($stroking=true, $nonstroking='', $mode=0) {
                if ($this->state != 2) {
                        return;
                }
                $stroking = $stroking ? true : false;
                if (TCPDF_STATIC::empty_string($nonstroking)) {
                        // default value if not set
                        $nonstroking = $stroking;
                } else {
                        $nonstroking = $nonstroking ? true : false;
                }
                if (($mode != 0) AND ($mode != 1)) {
                        $mode = 0;
                }
                $this->overprint = array('OP' => $stroking, 'op' => $nonstroking, 'OPM' => $mode);
                $gs = $this->addExtGState($this->overprint);
                $this->setExtGState($gs);
        }
 
        public function getOverprint() {
                return $this->overprint;
        }
 
        public function setAlpha($stroking=1, $bm='Normal', $nonstroking='', $ais=false) {
                if ($this->pdfa_mode) {
                        // transparency is not allowed in PDF/A mode
                        return;
                }
                $stroking = floatval($stroking);
                if (TCPDF_STATIC::empty_string($nonstroking)) {
                        // default value if not set
                        $nonstroking = $stroking;
                } else {
                        $nonstroking = floatval($nonstroking);
                }
                if ($bm[0] == '/') {
                        // remove trailing slash
                        $bm = substr($bm, 1);
                }
                if (!in_array($bm, array('Normal', 'Multiply', 'Screen', 'Overlay', 'Darken', 'Lighten', 'ColorDodge', 'ColorBurn', 'HardLight', 'SoftLight', 'Difference', 'Exclusion', 'Hue', 'Saturation', 'Color', 'Luminosity'))) {
                        $bm = 'Normal';
                }
                $ais = $ais ? true : false;
                $this->alpha = array('CA' => $stroking, 'ca' => $nonstroking, 'BM' => '/'.$bm, 'AIS' => $ais);
                $gs = $this->addExtGState($this->alpha);
                $this->setExtGState($gs);
        }
 
        public function getAlpha() {
                return $this->alpha;
        }
 
        public function setJPEGQuality($quality) {
                if (($quality < 1) OR ($quality > 100)) {
                        $quality = 75;
                }
                $this->jpeg_quality = intval($quality);
        }
 
        public function setDefaultTableColumns($cols=4) {
                $this->default_table_columns = intval($cols);
        }
 
        public function setCellHeightRatio($h) {
                $this->cell_height_ratio = $h;
        }
 
        public function getCellHeightRatio() {
                return $this->cell_height_ratio;
        }
 
        public function setPDFVersion($version='1.7') {
                if ($this->pdfa_mode) {
                        // PDF/A mode
                        $this->PDFVersion = '1.4';
                } else {
                        $this->PDFVersion = $version;
                }
        }
 
        public function setViewerPreferences($preferences) {
                $this->viewer_preferences = $preferences;
        }
 
        public function colorRegistrationBar($x, $y, $w, $h, $transition=true, $vertical=false, $colors='A,R,G,B,C,M,Y,K') {
                if (strpos($colors, 'ALLSPOT') !== false) {
                        // expand spot colors
                        $spot_colors = '';
                        foreach ($this->spot_colors as $spot_color_name => $v) {
                                $spot_colors .= ','.$spot_color_name;
                        }
                        if (!empty($spot_colors)) {
                                $spot_colors = substr($spot_colors, 1);
                                $colors = str_replace('ALLSPOT', $spot_colors, $colors);
                        } else {
                                $colors = str_replace('ALLSPOT', 'NONE', $colors);
                        }
                }
                $bars = explode(',', $colors);
                $numbars = count($bars); // number of bars to print
                if ($numbars <= 0) {
                        return;
                }
                // set bar measures
                if ($vertical) {
                        $coords = array(0, 0, 0, 1);
                        $wb = $w / $numbars; // bar width
                        $hb = $h; // bar height
                        $xd = $wb; // delta x
                        $yd = 0; // delta y
                } else {
                        $coords = array(1, 0, 0, 0);
                        $wb = $w; // bar width
                        $hb = $h / $numbars; // bar height
                        $xd = 0; // delta x
                        $yd = $hb; // delta y
                }
                $xb = $x;
                $yb = $y;
                foreach ($bars as $col) {
                        switch ($col) {
                                // set transition colors
                                case 'A': { // BLACK (GRAYSCALE)
                                        $col_a = array(255);
                                        $col_b = array(0);
                                        break;
                                }
                                case 'W': { // WHITE (GRAYSCALE)
                                        $col_a = array(0);
                                        $col_b = array(255);
                                        break;
                                }
                                case 'R': { // RED (RGB)
                                        $col_a = array(255,255,255);
                                        $col_b = array(255,0,0);
                                        break;
                                }
                                case 'G': { // GREEN (RGB)
                                        $col_a = array(255,255,255);
                                        $col_b = array(0,255,0);
                                        break;
                                }
                                case 'B': { // BLUE (RGB)
                                        $col_a = array(255,255,255);
                                        $col_b = array(0,0,255);
                                        break;
                                }
                                case 'C': { // CYAN (CMYK)
                                        $col_a = array(0,0,0,0);
                                        $col_b = array(100,0,0,0);
                                        break;
                                }
                                case 'M': { // MAGENTA (CMYK)
                                        $col_a = array(0,0,0,0);
                                        $col_b = array(0,100,0,0);
                                        break;
                                }
                                case 'Y': { // YELLOW (CMYK)
                                        $col_a = array(0,0,0,0);
                                        $col_b = array(0,0,100,0);
                                        break;
                                }
                                case 'K': { // KEY - BLACK (CMYK)
                                        $col_a = array(0,0,0,0);
                                        $col_b = array(0,0,0,100);
                                        break;
                                }
                                case 'RGB': { // BLACK REGISTRATION (RGB)
                                        $col_a = array(255,255,255);
                                        $col_b = array(0,0,0);
                                        break;
                                }
                                case 'CMYK': { // BLACK REGISTRATION (CMYK)
                                        $col_a = array(0,0,0,0);
                                        $col_b = array(100,100,100,100);
                                        break;
                                }
                                case 'ALL': { // SPOT COLOR REGISTRATION
                                        $col_a = array(0,0,0,0,'None');
                                        $col_b = array(100,100,100,100,'All');
                                        break;
                                }
                                case 'NONE': { // SKIP THIS COLOR
                                        $col_a = array(0,0,0,0,'None');
                                        $col_b = array(0,0,0,0,'None');
                                        break;
                                }
                                default: { // SPECIFIC SPOT COLOR NAME
                                        $col_a = array(0,0,0,0,'None');
                                        $col_b = TCPDF_COLORS::getSpotColor($col, $this->spot_colors);
                                        if ($col_b === false) {
                                                // in case of error defaults to the registration color
                                                $col_b = array(100,100,100,100,'All');
                                        }
                                        break;
                                }
                        }
                        if ($col != 'NONE') {
                                if ($transition) {
                                        // color gradient
                                        $this->LinearGradient($xb, $yb, $wb, $hb, $col_a, $col_b, $coords);
                                } else {
                                        $this->SetFillColorArray($col_b);
                                        // colored rectangle
                                        $this->Rect($xb, $yb, $wb, $hb, 'F', array());
                                }
                                $xb += $xd;
                                $yb += $yd;
                        }
                }
        }
 
        public function cropMark($x, $y, $w, $h, $type='T,R,B,L', $color=array(100,100,100,100,'All')) {
                $this->SetLineStyle(array('width' => (0.5 / $this->k), 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => $color));
                $type = strtoupper($type);
                $type = preg_replace('/[^A-Z\-\,]*/', '', $type);
                // split type in single components
                $type = str_replace('-', ',', $type);
                $type = str_replace('TL', 'T,L', $type);
                $type = str_replace('TR', 'T,R', $type);
                $type = str_replace('BL', 'F,L', $type);
                $type = str_replace('BR', 'F,R', $type);
                $type = str_replace('A', 'T,L', $type);
                $type = str_replace('B', 'T,R', $type);
                $type = str_replace('T,RO', 'BO', $type);
                $type = str_replace('C', 'F,L', $type);
                $type = str_replace('D', 'F,R', $type);
                $crops = explode(',', strtoupper($type));
                // remove duplicates
                $crops = array_unique($crops);
                $dw = ($w / 4); // horizontal space to leave before the intersection point
                $dh = ($h / 4); // vertical space to leave before the intersection point
                foreach ($crops as $crop) {
                        switch ($crop) {
                                case 'T':
                                case 'TOP': {
                                        $x1 = $x;
                                        $y1 = ($y - $h);
                                        $x2 = $x;
                                        $y2 = ($y - $dh);
                                        break;
                                }
                                case 'F':
                                case 'BOTTOM': {
                                        $x1 = $x;
                                        $y1 = ($y + $dh);
                                        $x2 = $x;
                                        $y2 = ($y + $h);
                                        break;
                                }
                                case 'L':
                                case 'LEFT': {
                                        $x1 = ($x - $w);
                                        $y1 = $y;
                                        $x2 = ($x - $dw);
                                        $y2 = $y;
                                        break;
                                }
                                case 'R':
                                case 'RIGHT': {
                                        $x1 = ($x + $dw);
                                        $y1 = $y;
                                        $x2 = ($x + $w);
                                        $y2 = $y;
                                        break;
                                }
                        }
                        $this->Line($x1, $y1, $x2, $y2);
                }
        }
 
        public function registrationMark($x, $y, $r, $double=false, $cola=array(100,100,100,100,'All'), $colb=array(0,0,0,0,'None')) {
                $line_style = array('width' => max((0.5 / $this->k),($r / 30)), 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => $cola);
                $this->SetFillColorArray($cola);
                $this->PieSector($x, $y, $r, 90, 180, 'F');
                $this->PieSector($x, $y, $r, 270, 360, 'F');
                $this->Circle($x, $y, $r, 0, 360, 'C', $line_style, array(), 8);
                if ($double) {
                        $ri = $r * 0.5;
                        $this->SetFillColorArray($colb);
                        $this->PieSector($x, $y, $ri, 90, 180, 'F');
                        $this->PieSector($x, $y, $ri, 270, 360, 'F');
                        $this->SetFillColorArray($cola);
                        $this->PieSector($x, $y, $ri, 0, 90, 'F');
                        $this->PieSector($x, $y, $ri, 180, 270, 'F');
                        $this->Circle($x, $y, $ri, 0, 360, 'C', $line_style, array(), 8);
                }
        }
 
        public function registrationMarkCMYK($x, $y, $r) {
                // line width
                $lw = max((0.5 / $this->k),($r / 8));
                // internal radius
                $ri = ($r * 0.6);
                // external radius
                $re = ($r * 1.3);
                // Cyan
                $this->SetFillColorArray(array(100,0,0,0));
                $this->PieSector($x, $y, $ri, 270, 360, 'F');
                // Magenta
                $this->SetFillColorArray(array(0,100,0,0));
                $this->PieSector($x, $y, $ri, 0, 90, 'F');
                // Yellow
                $this->SetFillColorArray(array(0,0,100,0));
                $this->PieSector($x, $y, $ri, 90, 180, 'F');
                // Key - black
                $this->SetFillColorArray(array(0,0,0,100));
                $this->PieSector($x, $y, $ri, 180, 270, 'F');
                // registration color
                $line_style = array('width' => $lw, 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'color' => array(100,100,100,100,'All'));
                $this->SetFillColorArray(array(100,100,100,100,'All'));
                // external circle
                $this->Circle($x, $y, $r, 0, 360, 'C', $line_style, array(), 8);
                // cross lines
                $this->Line($x, ($y - $re), $x, ($y - $ri));
                $this->Line($x, ($y + $ri), $x, ($y + $re));
                $this->Line(($x - $re), $y, ($x - $ri), $y);
                $this->Line(($x + $ri), $y, ($x + $re), $y);
        }
 
        public function LinearGradient($x, $y, $w, $h, $col1=array(), $col2=array(), $coords=array(0,0,1,0)) {
                $this->Clip($x, $y, $w, $h);
                $this->Gradient(2, $coords, array(array('color' => $col1, 'offset' => 0, 'exponent' => 1), array('color' => $col2, 'offset' => 1, 'exponent' => 1)), array(), false);
        }
 
        public function RadialGradient($x, $y, $w, $h, $col1=array(), $col2=array(), $coords=array(0.5,0.5,0.5,0.5,1)) {
                $this->Clip($x, $y, $w, $h);
                $this->Gradient(3, $coords, array(array('color' => $col1, 'offset' => 0, 'exponent' => 1), array('color' => $col2, 'offset' => 1, 'exponent' => 1)), array(), false);
        }
 
        public function CoonsPatchMesh($x, $y, $w, $h, $col1=array(), $col2=array(), $col3=array(), $col4=array(), $coords=array(0.00,0.0,0.33,0.00,0.67,0.00,1.00,0.00,1.00,0.33,1.00,0.67,1.00,1.00,0.67,1.00,0.33,1.00,0.00,1.00,0.00,0.67,0.00,0.33), $coords_min=0, $coords_max=1, $antialias=false) {
                if ($this->pdfa_mode OR ($this->state != 2)) {
                        return;
                }
                $this->Clip($x, $y, $w, $h);
                $n = count($this->gradients) + 1;
                $this->gradients[$n] = array();
                $this->gradients[$n]['type'] = 6; //coons patch mesh
                $this->gradients[$n]['coords'] = array();
                $this->gradients[$n]['antialias'] = $antialias;
                $this->gradients[$n]['colors'] = array();
                $this->gradients[$n]['transparency'] = false;
                //check the coords array if it is the simple array or the multi patch array
                if (!isset($coords[0]['f'])) {
                        //simple array -> convert to multi patch array
                        if (!isset($col1[1])) {
                                $col1[1] = $col1[2] = $col1[0];
                        }
                        if (!isset($col2[1])) {
                                $col2[1] = $col2[2] = $col2[0];
                        }
                        if (!isset($col3[1])) {
                                $col3[1] = $col3[2] = $col3[0];
                        }
                        if (!isset($col4[1])) {
                                $col4[1] = $col4[2] = $col4[0];
                        }
                        $patch_array[0]['f'] = 0;
                        $patch_array[0]['points'] = $coords;
                        $patch_array[0]['colors'][0]['r'] = $col1[0];
                        $patch_array[0]['colors'][0]['g'] = $col1[1];
                        $patch_array[0]['colors'][0]['b'] = $col1[2];
                        $patch_array[0]['colors'][1]['r'] = $col2[0];
                        $patch_array[0]['colors'][1]['g'] = $col2[1];
                        $patch_array[0]['colors'][1]['b'] = $col2[2];
                        $patch_array[0]['colors'][2]['r'] = $col3[0];
                        $patch_array[0]['colors'][2]['g'] = $col3[1];
                        $patch_array[0]['colors'][2]['b'] = $col3[2];
                        $patch_array[0]['colors'][3]['r'] = $col4[0];
                        $patch_array[0]['colors'][3]['g'] = $col4[1];
                        $patch_array[0]['colors'][3]['b'] = $col4[2];
                } else {
                        //multi patch array
                        $patch_array = $coords;
                }
                $bpcd = 65535; //16 bits per coordinate
                //build the data stream
                $this->gradients[$n]['stream'] = '';
                $count_patch = count($patch_array);
                for ($i=0; $i < $count_patch; ++$i) {
                        $this->gradients[$n]['stream'] .= chr($patch_array[$i]['f']); //start with the edge flag as 8 bit
                        $count_points = count($patch_array[$i]['points']);
                        for ($j=0; $j < $count_points; ++$j) {
                                //each point as 16 bit
                                $patch_array[$i]['points'][$j] = (($patch_array[$i]['points'][$j] - $coords_min) / ($coords_max - $coords_min)) * $bpcd;
                                if ($patch_array[$i]['points'][$j] < 0) {
                                        $patch_array[$i]['points'][$j] = 0;
                                }
                                if ($patch_array[$i]['points'][$j] > $bpcd) {
                                        $patch_array[$i]['points'][$j] = $bpcd;
                                }
                                $this->gradients[$n]['stream'] .= chr(floor($patch_array[$i]['points'][$j] / 256));
                                $this->gradients[$n]['stream'] .= chr(floor($patch_array[$i]['points'][$j] % 256));
                        }
                        $count_cols = count($patch_array[$i]['colors']);
                        for ($j=0; $j < $count_cols; ++$j) {
                                //each color component as 8 bit
                                $this->gradients[$n]['stream'] .= chr($patch_array[$i]['colors'][$j]['r']);
                                $this->gradients[$n]['stream'] .= chr($patch_array[$i]['colors'][$j]['g']);
                                $this->gradients[$n]['stream'] .= chr($patch_array[$i]['colors'][$j]['b']);
                        }
                }
                //paint the gradient
                $this->_out('/Sh'.$n.' sh');
                //restore previous Graphic State
                $this->_outRestoreGraphicsState();
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $this->xobjects[$this->xobjid]['gradients'][$n] = $this->gradients[$n];
                }
        }
 
        protected function Clip($x, $y, $w, $h) {
                if ($this->state != 2) {
                         return;
                }
                if ($this->rtl) {
                        $x = $this->w - $x - $w;
                }
                //save current Graphic State
                $s = 'q';
                //set clipping area
                $s .= sprintf(' %F %F %F %F re W n', $x*$this->k, ($this->h-$y)*$this->k, $w*$this->k, -$h*$this->k);
                //set up transformation matrix for gradient
                $s .= sprintf(' %F 0 0 %F %F %F cm', $w*$this->k, $h*$this->k, $x*$this->k, ($this->h-($y+$h))*$this->k);
                $this->_out($s);
        }
 
        public function Gradient($type, $coords, $stops, $background=array(), $antialias=false) {
                if ($this->pdfa_mode OR ($this->state != 2)) {
                        return;
                }
                $n = count($this->gradients) + 1;
                $this->gradients[$n] = array();
                $this->gradients[$n]['type'] = $type;
                $this->gradients[$n]['coords'] = $coords;
                $this->gradients[$n]['antialias'] = $antialias;
                $this->gradients[$n]['colors'] = array();
                $this->gradients[$n]['transparency'] = false;
                // color space
                $numcolspace = count($stops[0]['color']);
                $bcolor = array_values($background);
                switch($numcolspace) {
                        case 5:   // SPOT
                        case 4: { // CMYK
                                $this->gradients[$n]['colspace'] = 'DeviceCMYK';
                                if (!empty($background)) {
                                        $this->gradients[$n]['background'] = sprintf('%F %F %F %F', $bcolor[0]/100, $bcolor[1]/100, $bcolor[2]/100, $bcolor[3]/100);
                                }
                                break;
                        }
                        case 3: { // RGB
                                $this->gradients[$n]['colspace'] = 'DeviceRGB';
                                if (!empty($background)) {
                                        $this->gradients[$n]['background'] = sprintf('%F %F %F', $bcolor[0]/255, $bcolor[1]/255, $bcolor[2]/255);
                                }
                                break;
                        }
                        case 1: { // GRAY SCALE
                                $this->gradients[$n]['colspace'] = 'DeviceGray';
                                if (!empty($background)) {
                                        $this->gradients[$n]['background'] = sprintf('%F', $bcolor[0]/255);
                                }
                                break;
                        }
                }
                $num_stops = count($stops);
                $last_stop_id = $num_stops - 1;
                foreach ($stops as $key => $stop) {
                        $this->gradients[$n]['colors'][$key] = array();
                        // offset represents a location along the gradient vector
                        if (isset($stop['offset'])) {
                                $this->gradients[$n]['colors'][$key]['offset'] = $stop['offset'];
                        } else {
                                if ($key == 0) {
                                        $this->gradients[$n]['colors'][$key]['offset'] = 0;
                                } elseif ($key == $last_stop_id) {
                                        $this->gradients[$n]['colors'][$key]['offset'] = 1;
                                } else {
                                        $offsetstep = (1 - $this->gradients[$n]['colors'][($key - 1)]['offset']) / ($num_stops - $key);
                                        $this->gradients[$n]['colors'][$key]['offset'] = $this->gradients[$n]['colors'][($key - 1)]['offset'] + $offsetstep;
                                }
                        }
                        if (isset($stop['opacity'])) {
                                $this->gradients[$n]['colors'][$key]['opacity'] = $stop['opacity'];
                                if ((!$this->pdfa_mode) AND ($stop['opacity'] < 1)) {
                                        $this->gradients[$n]['transparency'] = true;
                                }
                        } else {
                                $this->gradients[$n]['colors'][$key]['opacity'] = 1;
                        }
                        // exponent for the exponential interpolation function
                        if (isset($stop['exponent'])) {
                                $this->gradients[$n]['colors'][$key]['exponent'] = $stop['exponent'];
                        } else {
                                $this->gradients[$n]['colors'][$key]['exponent'] = 1;
                        }
                        // set colors
                        $color = array_values($stop['color']);
                        switch($numcolspace) {
                                case 5:   // SPOT
                                case 4: { // CMYK
                                        $this->gradients[$n]['colors'][$key]['color'] = sprintf('%F %F %F %F', $color[0]/100, $color[1]/100, $color[2]/100, $color[3]/100);
                                        break;
                                }
                                case 3: { // RGB
                                        $this->gradients[$n]['colors'][$key]['color'] = sprintf('%F %F %F', $color[0]/255, $color[1]/255, $color[2]/255);
                                        break;
                                }
                                case 1: { // GRAY SCALE
                                        $this->gradients[$n]['colors'][$key]['color'] = sprintf('%F', $color[0]/255);
                                        break;
                                }
                        }
                }
                if ($this->gradients[$n]['transparency']) {
                        // paint luminosity gradient
                        $this->_out('/TGS'.$n.' gs');
                }
                //paint the gradient
                $this->_out('/Sh'.$n.' sh');
                //restore previous Graphic State
                $this->_outRestoreGraphicsState();
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $this->xobjects[$this->xobjid]['gradients'][$n] = $this->gradients[$n];
                }
        }
 
        function _putshaders() {
                if ($this->pdfa_mode) {
                        return;
                }
                $idt = count($this->gradients); //index for transparency gradients
                foreach ($this->gradients as $id => $grad) {
                        if (($grad['type'] == 2) OR ($grad['type'] == 3)) {
                                $fc = $this->_newobj();
                                $out = '<<';
                                $out .= ' /FunctionType 3';
                                $out .= ' /Domain [0 1]';
                                $functions = '';
                                $bounds = '';
                                $encode = '';
                                $i = 1;
                                $num_cols = count($grad['colors']);
                                $lastcols = $num_cols - 1;
                                for ($i = 1; $i < $num_cols; ++$i) {
                                        $functions .= ($fc + $i).' 0 R ';
                                        if ($i < $lastcols) {
                                                $bounds .= sprintf('%F ', $grad['colors'][$i]['offset']);
                                        }
                                        $encode .= '0 1 ';
                                }
                                $out .= ' /Functions ['.trim($functions).']';
                                $out .= ' /Bounds ['.trim($bounds).']';
                                $out .= ' /Encode ['.trim($encode).']';
                                $out .= ' >>';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                                for ($i = 1; $i < $num_cols; ++$i) {
                                        $this->_newobj();
                                        $out = '<<';
                                        $out .= ' /FunctionType 2';
                                        $out .= ' /Domain [0 1]';
                                        $out .= ' /C0 ['.$grad['colors'][($i - 1)]['color'].']';
                                        $out .= ' /C1 ['.$grad['colors'][$i]['color'].']';
                                        $out .= ' /N '.$grad['colors'][$i]['exponent'];
                                        $out .= ' >>';
                                        $out .= "\n".'endobj';
                                        $this->_out($out);
                                }
                                // set transparency functions
                                if ($grad['transparency']) {
                                        $ft = $this->_newobj();
                                        $out = '<<';
                                        $out .= ' /FunctionType 3';
                                        $out .= ' /Domain [0 1]';
                                        $functions = '';
                                        $i = 1;
                                        $num_cols = count($grad['colors']);
                                        for ($i = 1; $i < $num_cols; ++$i) {
                                                $functions .= ($ft + $i).' 0 R ';
                                        }
                                        $out .= ' /Functions ['.trim($functions).']';
                                        $out .= ' /Bounds ['.trim($bounds).']';
                                        $out .= ' /Encode ['.trim($encode).']';
                                        $out .= ' >>';
                                        $out .= "\n".'endobj';
                                        $this->_out($out);
                                        for ($i = 1; $i < $num_cols; ++$i) {
                                                $this->_newobj();
                                                $out = '<<';
                                                $out .= ' /FunctionType 2';
                                                $out .= ' /Domain [0 1]';
                                                $out .= ' /C0 ['.$grad['colors'][($i - 1)]['opacity'].']';
                                                $out .= ' /C1 ['.$grad['colors'][$i]['opacity'].']';
                                                $out .= ' /N '.$grad['colors'][$i]['exponent'];
                                                $out .= ' >>';
                                                $out .= "\n".'endobj';
                                                $this->_out($out);
                                        }
                                }
                        }
                        // set shading object
                        $this->_newobj();
                        $out = '<< /ShadingType '.$grad['type'];
                        if (isset($grad['colspace'])) {
                                $out .= ' /ColorSpace /'.$grad['colspace'];
                        } else {
                                $out .= ' /ColorSpace /DeviceRGB';
                        }
                        if (isset($grad['background']) AND !empty($grad['background'])) {
                                $out .= ' /Background ['.$grad['background'].']';
                        }
                        if (isset($grad['antialias']) AND ($grad['antialias'] === true)) {
                                $out .= ' /AntiAlias true';
                        }
                        if ($grad['type'] == 2) {
                                $out .= ' '.sprintf('/Coords [%F %F %F %F]', $grad['coords'][0], $grad['coords'][1], $grad['coords'][2], $grad['coords'][3]);
                                $out .= ' /Domain [0 1]';
                                $out .= ' /Function '.$fc.' 0 R';
                                $out .= ' /Extend [true true]';
                                $out .= ' >>';
                        } elseif ($grad['type'] == 3) {
                                //x0, y0, r0, x1, y1, r1
                                //at this this time radius of inner circle is 0
                                $out .= ' '.sprintf('/Coords [%F %F 0 %F %F %F]', $grad['coords'][0], $grad['coords'][1], $grad['coords'][2], $grad['coords'][3], $grad['coords'][4]);
                                $out .= ' /Domain [0 1]';
                                $out .= ' /Function '.$fc.' 0 R';
                                $out .= ' /Extend [true true]';
                                $out .= ' >>';
                        } elseif ($grad['type'] == 6) {
                                $out .= ' /BitsPerCoordinate 16';
                                $out .= ' /BitsPerComponent 8';
                                $out .= ' /Decode[0 1 0 1 0 1 0 1 0 1]';
                                $out .= ' /BitsPerFlag 8';
                                $stream = $this->_getrawstream($grad['stream']);
                                $out .= ' /Length '.strlen($stream);
                                $out .= ' >>';
                                $out .= ' stream'."\n".$stream."\n".'endstream';
                        }
                        $out .= "\n".'endobj';
                        $this->_out($out);
                        if ($grad['transparency']) {
                                $shading_transparency = preg_replace('/\/ColorSpace \/[^\s]+/si', '/ColorSpace /DeviceGray', $out);
                                $shading_transparency = preg_replace('/\/Function [0-9]+ /si', '/Function '.$ft.' ', $shading_transparency);
                        }
                        $this->gradients[$id]['id'] = $this->n;
                        // set pattern object
                        $this->_newobj();
                        $out = '<< /Type /Pattern /PatternType 2';
                        $out .= ' /Shading '.$this->gradients[$id]['id'].' 0 R';
                        $out .= ' >>';
                        $out .= "\n".'endobj';
                        $this->_out($out);
                        $this->gradients[$id]['pattern'] = $this->n;
                        // set shading and pattern for transparency mask
                        if ($grad['transparency']) {
                                // luminosity pattern
                                $idgs = $id + $idt;
                                $this->_newobj();
                                $this->_out($shading_transparency);
                                $this->gradients[$idgs]['id'] = $this->n;
                                $this->_newobj();
                                $out = '<< /Type /Pattern /PatternType 2';
                                $out .= ' /Shading '.$this->gradients[$idgs]['id'].' 0 R';
                                $out .= ' >>';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                                $this->gradients[$idgs]['pattern'] = $this->n;
                                // luminosity XObject
                                $oid = $this->_newobj();
                                $this->xobjects['LX'.$oid] = array('n' => $oid);
                                $filter = '';
                                $stream = 'q /a0 gs /Pattern cs /p'.$idgs.' scn 0 0 '.$this->wPt.' '.$this->hPt.' re f Q';
                                if ($this->compress) {
                                        $filter = ' /Filter /FlateDecode';
                                        $stream = gzcompress($stream);
                                }
                                $stream = $this->_getrawstream($stream);
                                $out = '<< /Type /XObject /Subtype /Form /FormType 1'.$filter;
                                $out .= ' /Length '.strlen($stream);
                                $rect = sprintf('%F %F', $this->wPt, $this->hPt);
                                $out .= ' /BBox [0 0 '.$rect.']';
                                $out .= ' /Group << /Type /Group /S /Transparency /CS /DeviceGray >>';
                                $out .= ' /Resources <<';
                                $out .= ' /ExtGState << /a0 << /ca 1 /CA 1 >> >>';
                                $out .= ' /Pattern << /p'.$idgs.' '.$this->gradients[$idgs]['pattern'].' 0 R >>';
                                $out .= ' >>';
                                $out .= ' >> ';
                                $out .= ' stream'."\n".$stream."\n".'endstream';
                                $out .= "\n".'endobj';
                                $this->_out($out);
                                // SMask
                                $this->_newobj();
                                $out = '<< /Type /Mask /S /Luminosity /G '.($this->n - 1).' 0 R >>'."\n".'endobj';
                                $this->_out($out);
                                // ExtGState
                                $this->_newobj();
                                $out = '<< /Type /ExtGState /SMask '.($this->n - 1).' 0 R /AIS false >>'."\n".'endobj';
                                $this->_out($out);
                                $this->extgstates[] = array('n' => $this->n, 'name' => 'TGS'.$id);
                        }
                }
        }
 
        public function PieSector($xc, $yc, $r, $a, $b, $style='FD', $cw=true, $o=90) {
                $this->PieSectorXY($xc, $yc, $r, $r, $a, $b, $style, $cw, $o);
        }
 
        public function PieSectorXY($xc, $yc, $rx, $ry, $a, $b, $style='FD', $cw=false, $o=0, $nc=2) {
                if ($this->state != 2) {
                         return;
                }
                if ($this->rtl) {
                        $xc = ($this->w - $xc);
                }
                $op = TCPDF_STATIC::getPathPaintOperator($style);
                if ($op == 'f') {
                        $line_style = array();
                }
                if ($cw) {
                        $d = $b;
                        $b = (360 - $a + $o);
                        $a = (360 - $d + $o);
                } else {
                        $b += $o;
                        $a += $o;
                }
                $this->_outellipticalarc($xc, $yc, $rx, $ry, 0, $a, $b, true, $nc);
                $this->_out($op);
        }
 
        public function ImageEps($file, $x='', $y='', $w=0, $h=0, $link='', $useBoundingBox=true, $align='', $palign='', $border=0, $fitonpage=false, $fixoutvals=false) {
                if ($this->state != 2) {
                         return;
                }
                if ($this->rasterize_vector_images AND ($w > 0) AND ($h > 0)) {
                        // convert EPS to raster image using GD or ImageMagick libraries
                        return $this->Image($file, $x, $y, $w, $h, 'EPS', $link, $align, true, 300, $palign, false, false, $border, false, false, $fitonpage);
                }
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                $k = $this->k;
                if ($file[0] === '@') { // image from string
                        $data = substr($file, 1);
                } else { // EPS/AI file
                        $data = TCPDF_STATIC::fileGetContents($file);
                }
                if ($data === FALSE) {
                        $this->Error('EPS file not found: '.$file);
                }
                $regs = array();
                // EPS/AI compatibility check (only checks files created by Adobe Illustrator!)
                preg_match("/%%Creator:([^\r\n]+)/", $data, $regs); # find Creator
                if (count($regs) > 1) {
                        $version_str = trim($regs[1]); # e.g. "Adobe Illustrator(R) 8.0"
                        if (strpos($version_str, 'Adobe Illustrator') !== false) {
                                $versexp = explode(' ', $version_str);
                                $version = (float)array_pop($versexp);
                                if ($version >= 9) {
                                        $this->Error('This version of Adobe Illustrator file is not supported: '.$file);
                                }
                        }
                }
                // strip binary bytes in front of PS-header
                $start = strpos($data, '%!PS-Adobe');
                if ($start > 0) {
                        $data = substr($data, $start);
                }
                // find BoundingBox params
                preg_match("/%%BoundingBox:([^\r\n]+)/", $data, $regs);
                if (count($regs) > 1) {
                        list($x1, $y1, $x2, $y2) = explode(' ', trim($regs[1]));
                } else {
                        $this->Error('No BoundingBox found in EPS/AI file: '.$file);
                }
                $start = strpos($data, '%%EndSetup');
                if ($start === false) {
                        $start = strpos($data, '%%EndProlog');
                }
                if ($start === false) {
                        $start = strpos($data, '%%BoundingBox');
                }
                $data = substr($data, $start);
                $end = strpos($data, '%%PageTrailer');
                if ($end===false) {
                        $end = strpos($data, 'showpage');
                }
                if ($end) {
                        $data = substr($data, 0, $end);
                }
                // calculate image width and height on document
                if (($w <= 0) AND ($h <= 0)) {
                        $w = ($x2 - $x1) / $k;
                        $h = ($y2 - $y1) / $k;
                } elseif ($w <= 0) {
                        $w = ($x2-$x1) / $k * ($h / (($y2 - $y1) / $k));
                } elseif ($h <= 0) {
                        $h = ($y2 - $y1) / $k * ($w / (($x2 - $x1) / $k));
                }
                // fit the image on available space
                list($w, $h, $x, $y) = $this->fitBlock($w, $h, $x, $y, $fitonpage);
                if ($this->rasterize_vector_images) {
                        // convert EPS to raster image using GD or ImageMagick libraries
                        return $this->Image($file, $x, $y, $w, $h, 'EPS', $link, $align, true, 300, $palign, false, false, $border, false, false, $fitonpage);
                }
                // set scaling factors
                $scale_x = $w / (($x2 - $x1) / $k);
                $scale_y = $h / (($y2 - $y1) / $k);
                // set alignment
                $this->img_rb_y = $y + $h;
                // set alignment
                if ($this->rtl) {
                        if ($palign == 'L') {
                                $ximg = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $ximg = $this->w - $this->rMargin - $w;
                        } else {
                                $ximg = $x - $w;
                        }
                        $this->img_rb_x = $ximg;
                } else {
                        if ($palign == 'L') {
                                $ximg = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $ximg = $this->w - $this->rMargin - $w;
                        } else {
                                $ximg = $x;
                        }
                        $this->img_rb_x = $ximg + $w;
                }
                if ($useBoundingBox) {
                        $dx = $ximg * $k - $x1;
                        $dy = $y * $k - $y1;
                } else {
                        $dx = $ximg * $k;
                        $dy = $y * $k;
                }
                // save the current graphic state
                $this->_out('q'.$this->epsmarker);
                // translate
                $this->_out(sprintf('%F %F %F %F %F %F cm', 1, 0, 0, 1, $dx, $dy + ($this->hPt - (2 * $y * $k) - ($y2 - $y1))));
                // scale
                if (isset($scale_x)) {
                        $this->_out(sprintf('%F %F %F %F %F %F cm', $scale_x, 0, 0, $scale_y, $x1 * (1 - $scale_x), $y2 * (1 - $scale_y)));
                }
                // handle pc/unix/mac line endings
                $lines = preg_split('/[\r\n]+/si', $data, -1, PREG_SPLIT_NO_EMPTY);
                $u=0;
                $cnt = count($lines);
                for ($i=0; $i < $cnt; ++$i) {
                        $line = $lines[$i];
                        if (($line == '') OR ($line[0] == '%')) {
                                continue;
                        }
                        $len = strlen($line);
                        // check for spot color names
                        $color_name = '';
                        if (strcasecmp('x', substr(trim($line), -1)) == 0) {
                                if (preg_match('/\‍([^\‍)]*\‍)/', $line, $matches) > 0) {
                                        // extract spot color name
                                        $color_name = $matches[0];
                                        // remove color name from string
                                        $line = str_replace(' '.$color_name, '', $line);
                                        // remove pharentesis from color name
                                        $color_name = substr($color_name, 1, -1);
                                }
                        }
                        $chunks = explode(' ', $line);
                        $cmd = trim(array_pop($chunks));
                        // RGB
                        if (($cmd == 'Xa') OR ($cmd == 'XA')) {
                                $b = array_pop($chunks);
                                $g = array_pop($chunks);
                                $r = array_pop($chunks);
                                $this->_out(''.$r.' '.$g.' '.$b.' '.($cmd=='Xa'?'rg':'RG')); //substr($line, 0, -2).'rg' -> in EPS (AI8): c m y k r g b rg!
                                continue;
                        }
                        $skip = false;
                        if ($fixoutvals) {
                                // check for values outside the bounding box
                                switch ($cmd) {
                                        case 'm':
                                        case 'l':
                                        case 'L': {
                                                // skip values outside bounding box
                                                foreach ($chunks as $key => $val) {
                                                        if ((($key % 2) == 0) AND (($val < $x1) OR ($val > $x2))) {
                                                                $skip = true;
                                                        } elseif ((($key % 2) != 0) AND (($val < $y1) OR ($val > $y2))) {
                                                                $skip = true;
                                                        }
                                                }
                                        }
                                }
                        }
                        switch ($cmd) {
                                case 'm':
                                case 'l':
                                case 'v':
                                case 'y':
                                case 'c':
                                case 'k':
                                case 'K':
                                case 'g':
                                case 'G':
                                case 's':
                                case 'S':
                                case 'J':
                                case 'j':
                                case 'w':
                                case 'M':
                                case 'd':
                                case 'n': {
                                        if ($skip) {
                                                break;
                                        }
                                        $this->_out($line);
                                        break;
                                }
                                case 'x': {// custom fill color
                                        if (empty($color_name)) {
                                                // CMYK color
                                                list($col_c, $col_m, $col_y, $col_k) = $chunks;
                                                $this->_out(''.$col_c.' '.$col_m.' '.$col_y.' '.$col_k.' k');
                                        } else {
                                                // Spot Color (CMYK + tint)
                                                list($col_c, $col_m, $col_y, $col_k, $col_t) = $chunks;
                                                $this->AddSpotColor($color_name, ($col_c * 100), ($col_m * 100), ($col_y * 100), ($col_k * 100));
                                                $color_cmd = sprintf('/CS%d cs %F scn', $this->spot_colors[$color_name]['i'], (1 - $col_t));
                                                $this->_out($color_cmd);
                                        }
                                        break;
                                }
                                case 'X': { // custom stroke color
                                        if (empty($color_name)) {
                                                // CMYK color
                                                list($col_c, $col_m, $col_y, $col_k) = $chunks;
                                                $this->_out(''.$col_c.' '.$col_m.' '.$col_y.' '.$col_k.' K');
                                        } else {
                                                // Spot Color (CMYK + tint)
                                                list($col_c, $col_m, $col_y, $col_k, $col_t) = $chunks;
                                                $this->AddSpotColor($color_name, ($col_c * 100), ($col_m * 100), ($col_y * 100), ($col_k * 100));
                                                $color_cmd = sprintf('/CS%d CS %F SCN', $this->spot_colors[$color_name]['i'], (1 - $col_t));
                                                $this->_out($color_cmd);
                                        }
                                        break;
                                }
                                case 'Y':
                                case 'N':
                                case 'V':
                                case 'L':
                                case 'C': {
                                        if ($skip) {
                                                break;
                                        }
                                        $line[($len - 1)] = strtolower($cmd);
                                        $this->_out($line);
                                        break;
                                }
                                case 'b':
                                case 'B': {
                                        $this->_out($cmd . '*');
                                        break;
                                }
                                case 'f':
                                case 'F': {
                                        if ($u > 0) {
                                                $isU = false;
                                                $max = min(($i + 5), $cnt);
                                                for ($j = ($i + 1); $j < $max; ++$j) {
                                                        $isU = ($isU OR (($lines[$j] == 'U') OR ($lines[$j] == '*U')));
                                                }
                                                if ($isU) {
                                                        $this->_out('f*');
                                                }
                                        } else {
                                                $this->_out('f*');
                                        }
                                        break;
                                }
                                case '*u': {
                                        ++$u;
                                        break;
                                }
                                case '*U': {
                                        --$u;
                                        break;
                                }
                        }
                }
                // restore previous graphic state
                $this->_out($this->epsmarker.'Q');
                if (!empty($border)) {
                        $bx = $this->x;
                        $by = $this->y;
                        $this->x = $ximg;
                        if ($this->rtl) {
                                $this->x += $w;
                        }
                        $this->y = $y;
                        $this->Cell($w, $h, '', $border, 0, '', 0, '', 0, true);
                        $this->x = $bx;
                        $this->y = $by;
                }
                if ($link) {
                        $this->Link($ximg, $y, $w, $h, $link, 0);
                }
                // set pointer to align the next text/objects
                switch($align) {
                        case 'T':{
                                $this->y = $y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'M':{
                                $this->y = $y + round($h/2);
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'B':{
                                $this->y = $this->img_rb_y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'N':{
                                $this->SetY($this->img_rb_y);
                                break;
                        }
                        default:{
                                break;
                        }
                }
                $this->endlinex = $this->img_rb_x;
        }
 
        public function setBarcode($bc='') {
                $this->barcode = $bc;
        }
 
        public function getBarcode() {
                return $this->barcode;
        }
 
        public function write1DBarcode($code, $type, $x='', $y='', $w='', $h='', $xres='', $style='', $align='') {
                if (TCPDF_STATIC::empty_string(trim($code))) {
                        return;
                }
                require_once(dirname(__FILE__).'/tcpdf_barcodes_1d.php');
                // save current graphic settings
                $gvars = $this->getGraphicVars();
                // create new barcode object
                $barcodeobj = new TCPDFBarcode($code, $type);
                $arrcode = $barcodeobj->getBarcodeArray();
                if (($arrcode === false) OR empty($arrcode) OR ($arrcode['maxw'] <= 0)) {
                        $this->Error('Error in 1D barcode string');
                }
                if ($arrcode['maxh'] <= 0) {
                        $arrcode['maxh'] = 1;
                }
                // set default values
                if (!isset($style['position'])) {
                        $style['position'] = '';
                } elseif ($style['position'] == 'S') {
                        // keep this for backward compatibility
                        $style['position'] = '';
                        $style['stretch'] = true;
                }
                if (!isset($style['fitwidth'])) {
                        if (!isset($style['stretch'])) {
                                $style['fitwidth'] = true;
                        } else {
                                $style['fitwidth'] = false;
                        }
                }
                if ($style['fitwidth']) {
                        // disable stretch
                        $style['stretch'] = false;
                }
                if (!isset($style['stretch'])) {
                        if (($w === '') OR ($w <= 0)) {
                                $style['stretch'] = false;
                        } else {
                                $style['stretch'] = true;
                        }
                }
                if (!isset($style['fgcolor'])) {
                        $style['fgcolor'] = array(0,0,0); // default black
                }
                if (!isset($style['bgcolor'])) {
                        $style['bgcolor'] = false; // default transparent
                }
                if (!isset($style['border'])) {
                        $style['border'] = false;
                }
                $fontsize = 0;
                if (!isset($style['text'])) {
                        $style['text'] = false;
                }
                if ($style['text'] AND isset($style['font'])) {
                        if (isset($style['fontsize'])) {
                                $fontsize = $style['fontsize'];
                        }
                        $this->SetFont($style['font'], '', $fontsize);
                }
                if (!isset($style['stretchtext'])) {
                        $style['stretchtext'] = 4;
                }
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                if (($w === '') OR ($w <= 0)) {
                        if ($this->rtl) {
                                $w = $x - $this->lMargin;
                        } else {
                                $w = $this->w - $this->rMargin - $x;
                        }
                }
                // padding
                if (!isset($style['padding'])) {
                        $padding = 0;
                } elseif ($style['padding'] === 'auto') {
                        $padding = 10 * ($w / ($arrcode['maxw'] + 20));
                } else {
                        $padding = floatval($style['padding']);
                }
                // horizontal padding
                if (!isset($style['hpadding'])) {
                        $hpadding = $padding;
                } elseif ($style['hpadding'] === 'auto') {
                        $hpadding = 10 * ($w / ($arrcode['maxw'] + 20));
                } else {
                        $hpadding = floatval($style['hpadding']);
                }
                // vertical padding
                if (!isset($style['vpadding'])) {
                        $vpadding = $padding;
                } elseif ($style['vpadding'] === 'auto') {
                        $vpadding = ($hpadding / 2);
                } else {
                        $vpadding = floatval($style['vpadding']);
                }
                // calculate xres (single bar width)
                $max_xres = ($w - (2 * $hpadding)) / $arrcode['maxw'];
                if ($style['stretch']) {
                        $xres = $max_xres;
                } else {
                        if (TCPDF_STATIC::empty_string($xres)) {
                                $xres = (0.141 * $this->k); // default bar width = 0.4 mm
                        }
                        if ($xres > $max_xres) {
                                // correct xres to fit on $w
                                $xres = $max_xres;
                        }
                        if ((isset($style['padding']) AND ($style['padding'] === 'auto'))
                                OR (isset($style['hpadding']) AND ($style['hpadding'] === 'auto'))) {
                                $hpadding = 10 * $xres;
                                if (isset($style['vpadding']) AND ($style['vpadding'] === 'auto')) {
                                        $vpadding = ($hpadding / 2);
                                }
                        }
                }
                if ($style['fitwidth']) {
                        $wold = $w;
                        $w = (($arrcode['maxw'] * $xres) + (2 * $hpadding));
                        if (isset($style['cellfitalign'])) {
                                switch ($style['cellfitalign']) {
                                        case 'L': {
                                                if ($this->rtl) {
                                                        $x -= ($wold - $w);
                                                }
                                                break;
                                        }
                                        case 'R': {
                                                if (!$this->rtl) {
                                                        $x += ($wold - $w);
                                                }
                                                break;
                                        }
                                        case 'C': {
                                                if ($this->rtl) {
                                                        $x -= (($wold - $w) / 2);
                                                } else {
                                                        $x += (($wold - $w) / 2);
                                                }
                                                break;
                                        }
                                        default : {
                                                break;
                                        }
                                }
                        }
                }
                $text_height = $this->getCellHeight($fontsize / $this->k);
                // height
                if (($h === '') OR ($h <= 0)) {
                        // set default height
                        $h = (($arrcode['maxw'] * $xres) / 3) + (2 * $vpadding) + $text_height;
                }
                $barh = $h - $text_height - (2 * $vpadding);
                if ($barh <=0) {
                        // try to reduce font or padding to fit barcode on available height
                        if ($text_height > $h) {
                                $fontsize = (($h * $this->k) / (4 * $this->cell_height_ratio));
                                $text_height = $this->getCellHeight($fontsize / $this->k);
                                $this->SetFont($style['font'], '', $fontsize);
                        }
                        if ($vpadding > 0) {
                                $vpadding = (($h - $text_height) / 4);
                        }
                        $barh = $h - $text_height - (2 * $vpadding);
                }
                // fit the barcode on available space
                list($w, $h, $x, $y) = $this->fitBlock($w, $h, $x, $y, false);
                // set alignment
                $this->img_rb_y = $y + $h;
                // set alignment
                if ($this->rtl) {
                        if ($style['position'] == 'L') {
                                $xpos = $this->lMargin;
                        } elseif ($style['position'] == 'C') {
                                $xpos = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($style['position'] == 'R') {
                                $xpos = $this->w - $this->rMargin - $w;
                        } else {
                                $xpos = $x - $w;
                        }
                        $this->img_rb_x = $xpos;
                } else {
                        if ($style['position'] == 'L') {
                                $xpos = $this->lMargin;
                        } elseif ($style['position'] == 'C') {
                                $xpos = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($style['position'] == 'R') {
                                $xpos = $this->w - $this->rMargin - $w;
                        } else {
                                $xpos = $x;
                        }
                        $this->img_rb_x = $xpos + $w;
                }
                $xpos_rect = $xpos;
                if (!isset($style['align'])) {
                        $style['align'] = 'C';
                }
                switch ($style['align']) {
                        case 'L': {
                                $xpos = $xpos_rect + $hpadding;
                                break;
                        }
                        case 'R': {
                                $xpos = $xpos_rect + ($w - ($arrcode['maxw'] * $xres)) - $hpadding;
                                break;
                        }
                        case 'C':
                        default : {
                                $xpos = $xpos_rect + (($w - ($arrcode['maxw'] * $xres)) / 2);
                                break;
                        }
                }
                $xpos_text = $xpos;
                // barcode is always printed in LTR direction
                $tempRTL = $this->rtl;
                $this->rtl = false;
                // print background color
                if ($style['bgcolor']) {
                        $this->Rect($xpos_rect, $y, $w, $h, $style['border'] ? 'DF' : 'F', '', $style['bgcolor']);
                } elseif ($style['border']) {
                        $this->Rect($xpos_rect, $y, $w, $h, 'D');
                }
                // set foreground color
                $this->SetDrawColorArray($style['fgcolor']);
                $this->SetTextColorArray($style['fgcolor']);
                // print bars
                foreach ($arrcode['bcode'] as $k => $v) {
                        $bw = ($v['w'] * $xres);
                        if ($v['t']) {
                                // draw a vertical bar
                                $ypos = $y + $vpadding + ($v['p'] * $barh / $arrcode['maxh']);
                                $this->Rect($xpos, $ypos, $bw, ($v['h'] * $barh / $arrcode['maxh']), 'F', array(), $style['fgcolor']);
                        }
                        $xpos += $bw;
                }
                // print text
                if ($style['text']) {
                        if (isset($style['label']) AND !TCPDF_STATIC::empty_string($style['label'])) {
                                $label = $style['label'];
                        } else {
                                $label = $code;
                        }
                        $txtwidth = ($arrcode['maxw'] * $xres);
                        if ($this->GetStringWidth($label) > $txtwidth) {
                                $style['stretchtext'] = 2;
                        }
                        // print text
                        $this->x = $xpos_text;
                        $this->y = $y + $vpadding + $barh;
                        $cellpadding = $this->cell_padding;
                        $this->SetCellPadding(0);
                        $this->Cell($txtwidth, '', $label, 0, 0, 'C', false, '', $style['stretchtext'], false, 'T', 'T');
                        $this->cell_padding = $cellpadding;
                }
                // restore original direction
                $this->rtl = $tempRTL;
                // restore previous settings
                $this->setGraphicVars($gvars);
                // set pointer to align the next text/objects
                switch($align) {
                        case 'T':{
                                $this->y = $y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'M':{
                                $this->y = $y + round($h / 2);
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'B':{
                                $this->y = $this->img_rb_y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'N':{
                                $this->SetY($this->img_rb_y);
                                break;
                        }
                        default:{
                                break;
                        }
                }
                $this->endlinex = $this->img_rb_x;
        }
 
        public function write2DBarcode($code, $type, $x='', $y='', $w='', $h='', $style='', $align='', $distort=false) {
                if (TCPDF_STATIC::empty_string(trim($code))) {
                        return;
                }
                require_once(dirname(__FILE__).'/tcpdf_barcodes_2d.php');
                // save current graphic settings
                $gvars = $this->getGraphicVars();
                // create new barcode object
                $barcodeobj = new TCPDF2DBarcode($code, $type);
                $arrcode = $barcodeobj->getBarcodeArray();
                if (($arrcode === false) OR empty($arrcode) OR !isset($arrcode['num_rows']) OR ($arrcode['num_rows'] == 0) OR !isset($arrcode['num_cols']) OR ($arrcode['num_cols'] == 0)) {
                        $this->Error('Error in 2D barcode string');
                }
                // set default values
                if (!isset($style['position'])) {
                        $style['position'] = '';
                }
                if (!isset($style['fgcolor'])) {
                        $style['fgcolor'] = array(0,0,0); // default black
                }
                if (!isset($style['bgcolor'])) {
                        $style['bgcolor'] = false; // default transparent
                }
                if (!isset($style['border'])) {
                        $style['border'] = false;
                }
                // padding
                if (!isset($style['padding'])) {
                        $style['padding'] = 0;
                } elseif ($style['padding'] === 'auto') {
                        $style['padding'] = 4;
                }
                if (!isset($style['hpadding'])) {
                        $style['hpadding'] = $style['padding'];
                } elseif ($style['hpadding'] === 'auto') {
                        $style['hpadding'] = 4;
                }
                if (!isset($style['vpadding'])) {
                        $style['vpadding'] = $style['padding'];
                } elseif ($style['vpadding'] === 'auto') {
                        $style['vpadding'] = 4;
                }
                $hpad = (2 * $style['hpadding']);
                $vpad = (2 * $style['vpadding']);
                // cell (module) dimension
                if (!isset($style['module_width'])) {
                        $style['module_width'] = 1; // width of a single module in points
                }
                if (!isset($style['module_height'])) {
                        $style['module_height'] = 1; // height of a single module in points
                }
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                // number of barcode columns and rows
                $rows = $arrcode['num_rows'];
                $cols = $arrcode['num_cols'];
                if (($rows <= 0) || ($cols <= 0)){
                        $this->Error('Error in 2D barcode string');
                }
                // module width and height
                $mw = $style['module_width'];
                $mh = $style['module_height'];
                if (($mw <= 0) OR ($mh <= 0)) {
                        $this->Error('Error in 2D barcode string');
                }
                // get max dimensions
                if ($this->rtl) {
                        $maxw = $x - $this->lMargin;
                } else {
                        $maxw = $this->w - $this->rMargin - $x;
                }
                $maxh = ($this->h - $this->tMargin - $this->bMargin);
                $ratioHW = ((($rows * $mh) + $hpad) / (($cols * $mw) + $vpad));
                $ratioWH = ((($cols * $mw) + $vpad) / (($rows * $mh) + $hpad));
                if (!$distort) {
                        if (($maxw * $ratioHW) > $maxh) {
                                $maxw = $maxh * $ratioWH;
                        }
                        if (($maxh * $ratioWH) > $maxw) {
                                $maxh = $maxw * $ratioHW;
                        }
                }
                // set maximum dimensions
                if ($w > $maxw) {
                        $w = $maxw;
                }
                if ($h > $maxh) {
                        $h = $maxh;
                }
                // set dimensions
                if ((($w === '') OR ($w <= 0)) AND (($h === '') OR ($h <= 0))) {
                        $w = ($cols + $hpad) * ($mw / $this->k);
                        $h = ($rows + $vpad) * ($mh / $this->k);
                } elseif (($w === '') OR ($w <= 0)) {
                        $w = $h * $ratioWH;
                } elseif (($h === '') OR ($h <= 0)) {
                        $h = $w * $ratioHW;
                }
                // barcode size (excluding padding)
                $bw = ($w * $cols) / ($cols + $hpad);
                $bh = ($h * $rows) / ($rows + $vpad);
                // dimension of single barcode cell unit
                $cw = $bw / $cols;
                $ch = $bh / $rows;
                if (!$distort) {
                        if (($cw / $ch) > ($mw / $mh)) {
                                // correct horizontal distortion
                                $cw = $ch * $mw / $mh;
                                $bw = $cw * $cols;
                                $style['hpadding'] = ($w - $bw) / (2 * $cw);
                        } else {
                                // correct vertical distortion
                                $ch = $cw * $mh / $mw;
                                $bh = $ch * $rows;
                                $style['vpadding'] = ($h - $bh) / (2 * $ch);
                        }
                }
                // fit the barcode on available space
                list($w, $h, $x, $y) = $this->fitBlock($w, $h, $x, $y, false);
                // set alignment
                $this->img_rb_y = $y + $h;
                // set alignment
                if ($this->rtl) {
                        if ($style['position'] == 'L') {
                                $xpos = $this->lMargin;
                        } elseif ($style['position'] == 'C') {
                                $xpos = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($style['position'] == 'R') {
                                $xpos = $this->w - $this->rMargin - $w;
                        } else {
                                $xpos = $x - $w;
                        }
                        $this->img_rb_x = $xpos;
                } else {
                        if ($style['position'] == 'L') {
                                $xpos = $this->lMargin;
                        } elseif ($style['position'] == 'C') {
                                $xpos = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($style['position'] == 'R') {
                                $xpos = $this->w - $this->rMargin - $w;
                        } else {
                                $xpos = $x;
                        }
                        $this->img_rb_x = $xpos + $w;
                }
                $xstart = $xpos + ($style['hpadding'] * $cw);
                $ystart = $y + ($style['vpadding'] * $ch);
                // barcode is always printed in LTR direction
                $tempRTL = $this->rtl;
                $this->rtl = false;
                // print background color
                if ($style['bgcolor']) {
                        $this->Rect($xpos, $y, $w, $h, $style['border'] ? 'DF' : 'F', '', $style['bgcolor']);
                } elseif ($style['border']) {
                        $this->Rect($xpos, $y, $w, $h, 'D');
                }
                // set foreground color
                $this->SetDrawColorArray($style['fgcolor']);
                // print barcode cells
                // for each row
                for ($r = 0; $r < $rows; ++$r) {
                        $xr = $xstart;
                        // for each column
                        for ($c = 0; $c < $cols; ++$c) {
                                if ($arrcode['bcode'][$r][$c] == 1) {
                                        // draw a single barcode cell
                                        $this->Rect($xr, $ystart, $cw, $ch, 'F', array(), $style['fgcolor']);
                                }
                                $xr += $cw;
                        }
                        $ystart += $ch;
                }
                // restore original direction
                $this->rtl = $tempRTL;
                // restore previous settings
                $this->setGraphicVars($gvars);
                // set pointer to align the next text/objects
                switch($align) {
                        case 'T':{
                                $this->y = $y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'M':{
                                $this->y = $y + round($h/2);
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'B':{
                                $this->y = $this->img_rb_y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'N':{
                                $this->SetY($this->img_rb_y);
                                break;
                        }
                        default:{
                                break;
                        }
                }
                $this->endlinex = $this->img_rb_x;
        }
 
        public function getMargins() {
                $ret = array(
                        'left' => $this->lMargin,
                        'right' => $this->rMargin,
                        'top' => $this->tMargin,
                        'bottom' => $this->bMargin,
                        'header' => $this->header_margin,
                        'footer' => $this->footer_margin,
                        'cell' => $this->cell_padding,
                        'padding_left' => $this->cell_padding['L'],
                        'padding_top' => $this->cell_padding['T'],
                        'padding_right' => $this->cell_padding['R'],
                        'padding_bottom' => $this->cell_padding['B']
                );
                return $ret;
        }
 
        public function getOriginalMargins() {
                $ret = array(
                        'left' => $this->original_lMargin,
                        'right' => $this->original_rMargin
                );
                return $ret;
        }
 
        public function getFontSize() {
                return $this->FontSize;
        }
 
        public function getFontSizePt() {
                return $this->FontSizePt;
        }
 
        public function getFontFamily() {
                return $this->FontFamily;
        }
 
        public function getFontStyle() {
                return $this->FontStyle;
        }
 
        public function fixHTMLCode($html, $default_css='', $tagvs='', $tidy_options='') {
                return TCPDF_STATIC::fixHTMLCode($html, $default_css, $tagvs, $tidy_options, $this->tagvspaces);
        }
 
        protected function getCSSBorderWidth($width) {
                if ($width == 'thin') {
                        $width = (2 / $this->k);
                } elseif ($width == 'medium') {
                        $width = (4 / $this->k);
                } elseif ($width == 'thick') {
                        $width = (6 / $this->k);
                } else {
                        $width = $this->getHTMLUnitToUnits($width, 1, 'px', false);
                }
                return $width;
        }
 
        protected function getCSSBorderDashStyle($style) {
                switch (strtolower($style)) {
                        case 'none':
                        case 'hidden': {
                                $dash = -1;
                                break;
                        }
                        case 'dotted': {
                                $dash = 1;
                                break;
                        }
                        case 'dashed': {
                                $dash = 3;
                                break;
                        }
                        case 'double':
                        case 'groove':
                        case 'ridge':
                        case 'inset':
                        case 'outset':
                        case 'solid':
                        default: {
                                $dash = 0;
                                break;
                        }
                }
                return $dash;
        }
 
        protected function getCSSBorderStyle($cssborder) {
                $bprop = preg_split('/[\s]+/', trim($cssborder));
                $border = array(); // value to be returned
                switch (count($bprop)) {
                        case 3: {
                                $width = $bprop[0];
                                $style = $bprop[1];
                                $color = $bprop[2];
                                break;
                        }
                        case 2: {
                                $width = 'medium';
                                $style = $bprop[0];
                                $color = $bprop[1];
                                break;
                        }
                        case 1: {
                                $width = 'medium';
                                $style = $bprop[0];
                                $color = 'black';
                                break;
                        }
                        default: {
                                $width = 'medium';
                                $style = 'solid';
                                $color = 'black';
                                break;
                        }
                }
                if ($style == 'none') {
                        return array();
                }
                $border['cap'] = 'square';
                $border['join'] = 'miter';
                $border['dash'] = $this->getCSSBorderDashStyle($style);
                if ($border['dash'] < 0) {
                        return array();
                }
                $border['width'] = $this->getCSSBorderWidth($width);
                $border['color'] = TCPDF_COLORS::convertHTMLColorToDec($color, $this->spot_colors);
                return $border;
        }
 
        public function getCSSPadding($csspadding, $width=0) {
                $padding = preg_split('/[\s]+/', trim($csspadding));
                $cell_padding = array(); // value to be returned
                switch (count($padding)) {
                        case 4: {
                                $cell_padding['T'] = $padding[0];
                                $cell_padding['R'] = $padding[1];
                                $cell_padding['B'] = $padding[2];
                                $cell_padding['L'] = $padding[3];
                                break;
                        }
                        case 3: {
                                $cell_padding['T'] = $padding[0];
                                $cell_padding['R'] = $padding[1];
                                $cell_padding['B'] = $padding[2];
                                $cell_padding['L'] = $padding[1];
                                break;
                        }
                        case 2: {
                                $cell_padding['T'] = $padding[0];
                                $cell_padding['R'] = $padding[1];
                                $cell_padding['B'] = $padding[0];
                                $cell_padding['L'] = $padding[1];
                                break;
                        }
                        case 1: {
                                $cell_padding['T'] = $padding[0];
                                $cell_padding['R'] = $padding[0];
                                $cell_padding['B'] = $padding[0];
                                $cell_padding['L'] = $padding[0];
                                break;
                        }
                        default: {
                                return $this->cell_padding;
                        }
                }
                if ($width == 0) {
                        $width = $this->w - $this->lMargin - $this->rMargin;
                }
                $cell_padding['T'] = $this->getHTMLUnitToUnits($cell_padding['T'], $width, 'px', false);
                $cell_padding['R'] = $this->getHTMLUnitToUnits($cell_padding['R'], $width, 'px', false);
                $cell_padding['B'] = $this->getHTMLUnitToUnits($cell_padding['B'], $width, 'px', false);
                $cell_padding['L'] = $this->getHTMLUnitToUnits($cell_padding['L'], $width, 'px', false);
                return $cell_padding;
        }
 
        public function getCSSMargin($cssmargin, $width=0) {
                $margin = preg_split('/[\s]+/', trim($cssmargin));
                $cell_margin = array(); // value to be returned
                switch (count($margin)) {
                        case 4: {
                                $cell_margin['T'] = $margin[0];
                                $cell_margin['R'] = $margin[1];
                                $cell_margin['B'] = $margin[2];
                                $cell_margin['L'] = $margin[3];
                                break;
                        }
                        case 3: {
                                $cell_margin['T'] = $margin[0];
                                $cell_margin['R'] = $margin[1];
                                $cell_margin['B'] = $margin[2];
                                $cell_margin['L'] = $margin[1];
                                break;
                        }
                        case 2: {
                                $cell_margin['T'] = $margin[0];
                                $cell_margin['R'] = $margin[1];
                                $cell_margin['B'] = $margin[0];
                                $cell_margin['L'] = $margin[1];
                                break;
                        }
                        case 1: {
                                $cell_margin['T'] = $margin[0];
                                $cell_margin['R'] = $margin[0];
                                $cell_margin['B'] = $margin[0];
                                $cell_margin['L'] = $margin[0];
                                break;
                        }
                        default: {
                                return $this->cell_margin;
                        }
                }
                if ($width == 0) {
                        $width = $this->w - $this->lMargin - $this->rMargin;
                }
                $cell_margin['T'] = $this->getHTMLUnitToUnits(str_replace('auto', '0', $cell_margin['T']), $width, 'px', false);
                $cell_margin['R'] = $this->getHTMLUnitToUnits(str_replace('auto', '0', $cell_margin['R']), $width, 'px', false);
                $cell_margin['B'] = $this->getHTMLUnitToUnits(str_replace('auto', '0', $cell_margin['B']), $width, 'px', false);
                $cell_margin['L'] = $this->getHTMLUnitToUnits(str_replace('auto', '0', $cell_margin['L']), $width, 'px', false);
                return $cell_margin;
        }
 
        public function getCSSBorderMargin($cssbspace, $width=0) {
                $space = preg_split('/[\s]+/', trim($cssbspace));
                $border_spacing = array(); // value to be returned
                switch (count($space)) {
                        case 2: {
                                $border_spacing['H'] = $space[0];
                                $border_spacing['V'] = $space[1];
                                break;
                        }
                        case 1: {
                                $border_spacing['H'] = $space[0];
                                $border_spacing['V'] = $space[0];
                                break;
                        }
                        default: {
                                return array('H' => 0, 'V' => 0);
                        }
                }
                if ($width == 0) {
                        $width = $this->w - $this->lMargin - $this->rMargin;
                }
                $border_spacing['H'] = $this->getHTMLUnitToUnits($border_spacing['H'], $width, 'px', false);
                $border_spacing['V'] = $this->getHTMLUnitToUnits($border_spacing['V'], $width, 'px', false);
                return $border_spacing;
        }
 
        protected function getCSSFontSpacing($spacing, $parent=0) {
                $val = 0; // value to be returned
                $spacing = trim($spacing);
                switch ($spacing) {
                        case 'normal': {
                                $val = 0;
                                break;
                        }
                        case 'inherit': {
                                if ($parent == 'normal') {
                                        $val = 0;
                                } else {
                                        $val = $parent;
                                }
                                break;
                        }
                        default: {
                                $val = $this->getHTMLUnitToUnits($spacing, 0, 'px', false);
                        }
                }
                return $val;
        }
 
        protected function getCSSFontStretching($stretch, $parent=100) {
                $val = 100; // value to be returned
                $stretch = trim($stretch);
                switch ($stretch) {
                        case 'ultra-condensed': {
                                $val = 40;
                                break;
                        }
                        case 'extra-condensed': {
                                $val = 55;
                                break;
                        }
                        case 'condensed': {
                                $val = 70;
                                break;
                        }
                        case 'semi-condensed': {
                                $val = 85;
                                break;
                        }
                        case 'normal': {
                                $val = 100;
                                break;
                        }
                        case 'semi-expanded': {
                                $val = 115;
                                break;
                        }
                        case 'expanded': {
                                $val = 130;
                                break;
                        }
                        case 'extra-expanded': {
                                $val = 145;
                                break;
                        }
                        case 'ultra-expanded': {
                                $val = 160;
                                break;
                        }
                        case 'wider': {
                                $val = ($parent + 10);
                                break;
                        }
                        case 'narrower': {
                                $val = ($parent - 10);
                                break;
                        }
                        case 'inherit': {
                                if ($parent == 'normal') {
                                        $val = 100;
                                } else {
                                        $val = $parent;
                                }
                                break;
                        }
                        default: {
                                $val = $this->getHTMLUnitToUnits($stretch, 100, '%', false);
                        }
                }
                return $val;
        }
 
        public function getHTMLFontUnits($val, $refsize=12, $parent_size=12, $defaultunit='pt') {
                $refsize = TCPDF_FONTS::getFontRefSize($refsize);
                $parent_size = TCPDF_FONTS::getFontRefSize($parent_size, $refsize);
                switch ($val) {
                        case 'xx-small': {
                                $size = ($refsize - 4);
                                break;
                        }
                        case 'x-small': {
                                $size = ($refsize - 3);
                                break;
                        }
                        case 'small': {
                                $size = ($refsize - 2);
                                break;
                        }
                        case 'medium': {
                                $size = $refsize;
                                break;
                        }
                        case 'large': {
                                $size = ($refsize + 2);
                                break;
                        }
                        case 'x-large': {
                                $size = ($refsize + 4);
                                break;
                        }
                        case 'xx-large': {
                                $size = ($refsize + 6);
                                break;
                        }
                        case 'smaller': {
                                $size = ($parent_size - 3);
                                break;
                        }
                        case 'larger': {
                                $size = ($parent_size + 3);
                                break;
                        }
                        default: {
                                $size = $this->getHTMLUnitToUnits($val, $parent_size, $defaultunit, true);
                        }
                }
                return $size;
        }
 
        protected function getHtmlDomArray($html) {
                // array of CSS styles ( selector => properties).
                $css = array();
                // get CSS array defined at previous call
                $matches = array();
                if (preg_match_all('/<cssarray>([^<]*)<\/cssarray>/isU', $html, $matches) > 0) {
                        if (isset($matches[1][0])) {
                                $css = array_merge($css, json_decode($this->unhtmlentities($matches[1][0]), true));
                        }
                        $html = preg_replace('/<cssarray>(.*?)<\/cssarray>/isU', '', $html);
                }
                // extract external CSS files
                $matches = array();
                if (preg_match_all('/<link([^>]*)>/isU', $html, $matches) > 0) {
                        foreach ($matches[1] as $key => $link) {
                                $type = array();
                                if (preg_match('/type[\s]*=[\s]*"text\/css"/', $link, $type)) {
                                        $type = array();
                                        preg_match('/media[\s]*=[\s]*"([^"]*)"/', $link, $type);
                                        // get 'all' and 'print' media, other media types are discarded
                                        // (all, braille, embossed, handheld, print, projection, screen, speech, tty, tv)
                                        if (empty($type) OR (isset($type[1]) AND (($type[1] == 'all') OR ($type[1] == 'print')))) {
                                                $type = array();
                                                if (preg_match('/href[\s]*=[\s]*"([^"]*)"/', $link, $type) > 0) {
                                                        // read CSS data file
                                                        $cssdata = TCPDF_STATIC::fileGetContents(trim($type[1]));
                                                        if (($cssdata !== FALSE) AND (strlen($cssdata) > 0)) {
                                                                $css = array_merge($css, TCPDF_STATIC::extractCSSproperties($cssdata));
                                                        }
                                                }
                                        }
                                }
                        }
                }
                // extract style tags
                $matches = array();
                if (preg_match_all('/<style([^>]*)>([^<]*)<\/style>/isU', $html, $matches) > 0) {
                        foreach ($matches[1] as $key => $media) {
                                $type = array();
                                preg_match('/media[\s]*=[\s]*"([^"]*)"/', $media, $type);
                                // get 'all' and 'print' media, other media types are discarded
                                // (all, braille, embossed, handheld, print, projection, screen, speech, tty, tv)
                                if (empty($type) OR (isset($type[1]) AND (($type[1] == 'all') OR ($type[1] == 'print')))) {
                                        $cssdata = $matches[2][$key];
                                        $css = array_merge($css, TCPDF_STATIC::extractCSSproperties($cssdata));
                                }
                        }
                }
                // create a special tag to contain the CSS array (used for table content)
                $csstagarray = '<cssarray>'.htmlentities(json_encode($css)).'</cssarray>';
                // remove head and style blocks
                $html = preg_replace('/<head([^>]*)>(.*?)<\/head>/siU', '', $html);
                $html = preg_replace('/<style([^>]*)>([^<]*)<\/style>/isU', '', $html);
                // define block tags
                $blocktags = array('blockquote','br','dd','dl','div','dt','h1','h2','h3','h4','h5','h6','hr','li','ol','p','pre','ul','tcpdf','table','tr','td');
                // define self-closing tags
                $selfclosingtags = array('area','base','basefont','br','hr','input','img','link','meta');
                // remove all unsupported tags (the line below lists all supported tags)
                $html = strip_tags($html, '<marker/><a><b><blockquote><body><br><br/><dd><del><div><dl><dt><em><font><form><h1><h2><h3><h4><h5><h6><hr><hr/><i><img><input><label><li><ol><option><p><pre><s><select><small><span><strike><strong><sub><sup><table><tablehead><tcpdf><td><textarea><th><thead><tr><tt><u><ul>');
                //replace some blank characters
                $html = preg_replace('/<pre/', '<xre', $html); // preserve pre tag
                $html = preg_replace('/<(table|tr|td|th|tcpdf|blockquote|dd|div|dl|dt|form|h1|h2|h3|h4|h5|h6|br|hr|li|ol|ul|p)([^>]*)>[\n\r\t]+/', '<\\1\\2>', $html);
                $html = preg_replace('@(\r\n|\r)@', "\n", $html);
                $repTable = array("\t" => ' ', "\0" => ' ', "\x0B" => ' ', "\\" => "\\\\");
                $html = strtr($html, $repTable);
                $offset = 0;
                while (($offset < strlen($html)) AND ($pos = strpos($html, '</pre>', $offset)) !== false) {
                        $html_a = substr($html, 0, $offset);
                        $html_b = substr($html, $offset, ($pos - $offset + 6));
                        while (preg_match("'<xre([^>]*)>(.*?)\n(.*?)</pre>'si", $html_b)) {
                                // preserve newlines on <pre> tag
                                $html_b = preg_replace("'<xre([^>]*)>(.*?)\n(.*?)</pre>'si", "<xre\\1>\\2<br />\\3</pre>", $html_b);
                        }
                        while (preg_match("'<xre([^>]*)>(.*?)".$this->re_space['p']."(.*?)</pre>'".$this->re_space['m'], $html_b)) {
                                // preserve spaces on <pre> tag
                                $html_b = preg_replace("'<xre([^>]*)>(.*?)".$this->re_space['p']."(.*?)</pre>'".$this->re_space['m'], "<xre\\1>\\2&nbsp;\\3</pre>", $html_b);
                        }
                        $html = $html_a.$html_b.substr($html, $pos + 6);
                        $offset = strlen($html_a.$html_b);
                }
                $offset = 0;
                while (($offset < strlen($html)) AND ($pos = strpos($html, '</textarea>', $offset)) !== false) {
                        $html_a = substr($html, 0, $offset);
                        $html_b = substr($html, $offset, ($pos - $offset + 11));
                        while (preg_match("'<textarea([^>]*)>(.*?)\n(.*?)</textarea>'si", $html_b)) {
                                // preserve newlines on <textarea> tag
                                $html_b = preg_replace("'<textarea([^>]*)>(.*?)\n(.*?)</textarea>'si", "<textarea\\1>\\2<TBR>\\3</textarea>", $html_b);
                                $html_b = preg_replace("'<textarea([^>]*)>(.*?)[\"](.*?)</textarea>'si", "<textarea\\1>\\2''\\3</textarea>", $html_b);
                        }
                        $html = $html_a.$html_b.substr($html, $pos + 11);
                        $offset = strlen($html_a.$html_b);
                }
                $html = preg_replace('/([\s]*)<option/si', '<option', $html);
                $html = preg_replace('/<\/option>([\s]*)/si', '</option>', $html);
                $offset = 0;
                while (($offset < strlen($html)) AND ($pos = strpos($html, '</option>', $offset)) !== false) {
                        $html_a = substr($html, 0, $offset);
                        $html_b = substr($html, $offset, ($pos - $offset + 9));
                        while (preg_match("'<option([^>]*)>(.*?)</option>'si", $html_b)) {
                                $html_b = preg_replace("'<option([\s]+)value=\"([^\"]*)\"([^>]*)>(.*?)</option>'si", "\\2#!TaB!#\\4#!NwL!#", $html_b);
                                $html_b = preg_replace("'<option([^>]*)>(.*?)</option>'si", "\\2#!NwL!#", $html_b);
                        }
                        $html = $html_a.$html_b.substr($html, $pos + 9);
                        $offset = strlen($html_a.$html_b);
                }
                if (preg_match("'</select'si", $html)) {
                        $html = preg_replace("'<select([^>]*)>'si", "<select\\1 opt=\"", $html);
                        $html = preg_replace("'#!NwL!#</select>'si", "\" />", $html);
                }
                $html = str_replace("\n", ' ', $html);
                // restore textarea newlines
                $html = str_replace('<TBR>', "\n", $html);
                // remove extra spaces from code
                $html = preg_replace('/[\s]+<\/(table|tr|ul|ol|dl)>/', '</\\1>', $html);
                $html = preg_replace('/'.$this->re_space['p'].'+<\/(td|th|li|dt|dd)>/'.$this->re_space['m'], '</\\1>', $html);
                $html = preg_replace('/[\s]+<(tr|td|th|li|dt|dd)/', '<\\1', $html);
                $html = preg_replace('/'.$this->re_space['p'].'+<(ul|ol|dl|br)/'.$this->re_space['m'], '<\\1', $html);
                $html = preg_replace('/<\/(table|tr|td|th|blockquote|dd|dt|dl|div|dt|h1|h2|h3|h4|h5|h6|hr|li|ol|ul|p)>[\s]+</', '</\\1><', $html);
                $html = preg_replace('/<\/(td|th)>/', '<marker style="font-size:0"/></\\1>', $html);
                $html = preg_replace('/<\/table>([\s]*)<marker style="font-size:0"\/>/', '</table>', $html);
                $html = preg_replace('/'.$this->re_space['p'].'+<img/'.$this->re_space['m'], chr(32).'<img', $html);
                $html = preg_replace('/<img([^>]*)>[\s]+([^<])/xi', '<img\\1>&nbsp;\\2', $html);
                $html = preg_replace('/<img([^>]*)>/xi', '<img\\1><span><marker style="font-size:0"/></span>', $html);
                $html = preg_replace('/<xre/', '<pre', $html); // restore pre tag
                $html = preg_replace('/<textarea([^>]*)>([^<]*)<\/textarea>/xi', '<textarea\\1 value="\\2" />', $html);
                $html = preg_replace('/<li([^>]*)><\/li>/', '<li\\1>&nbsp;</li>', $html);
                $html = preg_replace('/<li([^>]*)>'.$this->re_space['p'].'*<img/'.$this->re_space['m'], '<li\\1><font size="1">&nbsp;</font><img', $html);
                $html = preg_replace('/<([^>\/]*)>[\s]/', '<\\1>&nbsp;', $html); // preserve some spaces
                $html = preg_replace('/[\s]<\/([^>]*)>/', '&nbsp;</\\1>', $html); // preserve some spaces
                $html = preg_replace('/<su([bp])/', '<zws/><su\\1', $html); // fix sub/sup alignment
                $html = preg_replace('/<\/su([bp])>/', '</su\\1><zws/>', $html); // fix sub/sup alignment
                $html = preg_replace('/'.$this->re_space['p'].'+/'.$this->re_space['m'], chr(32), $html); // replace multiple spaces with a single space
                // trim string
                $html = $this->stringTrim($html);
                // fix br tag after li
                $html = preg_replace('/<li><br([^>]*)>/', '<li> <br\\1>', $html);
                // fix first image tag alignment
                $html = preg_replace('/^<img/', '<span style="font-size:0"><br /></span> <img', $html, 1);
                // pattern for generic tag
                $tagpattern = '/(<[^>]+>)/';
                // explodes the string
                $a = preg_split($tagpattern, $html, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
                // count elements
                $maxel = count($a);
                $elkey = 0;
                $key = 0;
                // create an array of elements
                $dom = array();
                $dom[$key] = array();
                // set inheritable properties fot the first void element
                // possible inheritable properties are: azimuth, border-collapse, border-spacing, caption-side, color, cursor, direction, empty-cells, font, font-family, font-stretch, font-size, font-size-adjust, font-style, font-variant, font-weight, letter-spacing, line-height, list-style, list-style-image, list-style-position, list-style-type, orphans, page, page-break-inside, quotes, speak, speak-header, text-align, text-indent, text-transform, volume, white-space, widows, word-spacing
                $dom[$key]['tag'] = false;
                $dom[$key]['block'] = false;
                $dom[$key]['value'] = '';
                $dom[$key]['parent'] = 0;
                $dom[$key]['hide'] = false;
                $dom[$key]['fontname'] = $this->FontFamily;
                $dom[$key]['fontstyle'] = $this->FontStyle;
                $dom[$key]['fontsize'] = $this->FontSizePt;
                $dom[$key]['font-stretch'] = $this->font_stretching;
                $dom[$key]['letter-spacing'] = $this->font_spacing;
                $dom[$key]['stroke'] = $this->textstrokewidth;
                $dom[$key]['fill'] = (($this->textrendermode % 2) == 0);
                $dom[$key]['clip'] = ($this->textrendermode > 3);
                $dom[$key]['line-height'] = $this->cell_height_ratio;
                $dom[$key]['bgcolor'] = false;
                $dom[$key]['fgcolor'] = $this->fgcolor; // color
                $dom[$key]['strokecolor'] = $this->strokecolor;
                $dom[$key]['align'] = '';
                $dom[$key]['listtype'] = '';
                $dom[$key]['text-indent'] = 0;
                $dom[$key]['text-transform'] = '';
                $dom[$key]['border'] = array();
                $dom[$key]['dir'] = $this->rtl?'rtl':'ltr';
                $thead = false; // true when we are inside the THEAD tag
                ++$key;
                $level = array();
                array_push($level, 0); // root
                while ($elkey < $maxel) {
                        $dom[$key] = array();
                        $element = $a[$elkey];
                        $dom[$key]['elkey'] = $elkey;
                        if (preg_match($tagpattern, $element)) {
                                // html tag
                                $element = substr($element, 1, -1);
                                // get tag name
                                preg_match('/[\/]?([a-zA-Z0-9]*)/', $element, $tag);
                                $tagname = strtolower($tag[1]);
                                // check if we are inside a table header
                                if ($tagname == 'thead') {
                                        if ($element[0] == '/') {
                                                $thead = false;
                                        } else {
                                                $thead = true;
                                        }
                                        ++$elkey;
                                        continue;
                                }
                                $dom[$key]['tag'] = true;
                                $dom[$key]['value'] = $tagname;
                                if (in_array($dom[$key]['value'], $blocktags)) {
                                        $dom[$key]['block'] = true;
                                } else {
                                        $dom[$key]['block'] = false;
                                }
                                if ($element[0] == '/') {
                                        // *** closing html tag
                                        $dom[$key]['opening'] = false;
                                        $dom[$key]['parent'] = end($level);
                                        array_pop($level);
                                        $dom[$key]['hide'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['hide'];
                                        $dom[$key]['fontname'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['fontname'];
                                        $dom[$key]['fontstyle'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['fontstyle'];
                                        $dom[$key]['fontsize'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['fontsize'];
                                        $dom[$key]['font-stretch'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['font-stretch'];
                                        $dom[$key]['letter-spacing'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['letter-spacing'];
                                        $dom[$key]['stroke'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['stroke'];
                                        $dom[$key]['fill'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['fill'];
                                        $dom[$key]['clip'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['clip'];
                                        $dom[$key]['line-height'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['line-height'];
                                        $dom[$key]['bgcolor'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['bgcolor'];
                                        $dom[$key]['fgcolor'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['fgcolor'];
                                        $dom[$key]['strokecolor'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['strokecolor'];
                                        $dom[$key]['align'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['align'];
                                        $dom[$key]['text-transform'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['text-transform'];
                                        $dom[$key]['dir'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['dir'];
                                        if (isset($dom[($dom[($dom[$key]['parent'])]['parent'])]['listtype'])) {
                                                $dom[$key]['listtype'] = $dom[($dom[($dom[$key]['parent'])]['parent'])]['listtype'];
                                        }
                                        // set the number of columns in table tag
                                        if (($dom[$key]['value'] == 'tr') AND (!isset($dom[($dom[($dom[$key]['parent'])]['parent'])]['cols']))) {
                                                $dom[($dom[($dom[$key]['parent'])]['parent'])]['cols'] = $dom[($dom[$key]['parent'])]['cols'];
                                        }
                                        if (($dom[$key]['value'] == 'td') OR ($dom[$key]['value'] == 'th')) {
                                                $dom[($dom[$key]['parent'])]['content'] = $csstagarray;
                                                for ($i = ($dom[$key]['parent'] + 1); $i < $key; ++$i) {
                                                        $dom[($dom[$key]['parent'])]['content'] .= stripslashes($a[$dom[$i]['elkey']]);
                                                }
                                                $key = $i;
                                                // mark nested tables
                                                $dom[($dom[$key]['parent'])]['content'] = str_replace('<table', '<table nested="true"', $dom[($dom[$key]['parent'])]['content']);
                                                // remove thead sections from nested tables
                                                $dom[($dom[$key]['parent'])]['content'] = str_replace('<thead>', '', $dom[($dom[$key]['parent'])]['content']);
                                                $dom[($dom[$key]['parent'])]['content'] = str_replace('</thead>', '', $dom[($dom[$key]['parent'])]['content']);
                                        }
                                        // store header rows on a new table
                                        if (($dom[$key]['value'] == 'tr') AND ($dom[($dom[$key]['parent'])]['thead'] === true)) {
                                                if (TCPDF_STATIC::empty_string($dom[($dom[($dom[$key]['parent'])]['parent'])]['thead'])) {
                                                        $dom[($dom[($dom[$key]['parent'])]['parent'])]['thead'] = $csstagarray.$a[$dom[($dom[($dom[$key]['parent'])]['parent'])]['elkey']];
                                                }
                                                for ($i = $dom[$key]['parent']; $i <= $key; ++$i) {
                                                        $dom[($dom[($dom[$key]['parent'])]['parent'])]['thead'] .= $a[$dom[$i]['elkey']];
                                                }
                                                if (!isset($dom[($dom[$key]['parent'])]['attribute'])) {
                                                        $dom[($dom[$key]['parent'])]['attribute'] = array();
                                                }
                                                // header elements must be always contained in a single page
                                                $dom[($dom[$key]['parent'])]['attribute']['nobr'] = 'true';
                                        }
                                        if (($dom[$key]['value'] == 'table') AND (!TCPDF_STATIC::empty_string($dom[($dom[$key]['parent'])]['thead']))) {
                                                // remove the nobr attributes from the table header
                                                $dom[($dom[$key]['parent'])]['thead'] = str_replace(' nobr="true"', '', $dom[($dom[$key]['parent'])]['thead']);
                                                $dom[($dom[$key]['parent'])]['thead'] .= '</tablehead>';
                                        }
                                } else {
                                        // *** opening or self-closing html tag
                                        $dom[$key]['opening'] = true;
                                        $dom[$key]['parent'] = end($level);
                                        if ((substr($element, -1, 1) == '/') OR (in_array($dom[$key]['value'], $selfclosingtags))) {
                                                // self-closing tag
                                                $dom[$key]['self'] = true;
                                        } else {
                                                // opening tag
                                                array_push($level, $key);
                                                $dom[$key]['self'] = false;
                                        }
                                        // copy some values from parent
                                        $parentkey = 0;
                                        if ($key > 0) {
                                                $parentkey = $dom[$key]['parent'];
                                                $dom[$key]['hide'] = $dom[$parentkey]['hide'];
                                                $dom[$key]['fontname'] = $dom[$parentkey]['fontname'];
                                                $dom[$key]['fontstyle'] = $dom[$parentkey]['fontstyle'];
                                                $dom[$key]['fontsize'] = $dom[$parentkey]['fontsize'];
                                                $dom[$key]['font-stretch'] = $dom[$parentkey]['font-stretch'];
                                                $dom[$key]['letter-spacing'] = $dom[$parentkey]['letter-spacing'];
                                                $dom[$key]['stroke'] = $dom[$parentkey]['stroke'];
                                                $dom[$key]['fill'] = $dom[$parentkey]['fill'];
                                                $dom[$key]['clip'] = $dom[$parentkey]['clip'];
                                                $dom[$key]['line-height'] = $dom[$parentkey]['line-height'];
                                                $dom[$key]['bgcolor'] = $dom[$parentkey]['bgcolor'];
                                                $dom[$key]['fgcolor'] = $dom[$parentkey]['fgcolor'];
                                                $dom[$key]['strokecolor'] = $dom[$parentkey]['strokecolor'];
                                                $dom[$key]['align'] = $dom[$parentkey]['align'];
                                                $dom[$key]['listtype'] = $dom[$parentkey]['listtype'];
                                                $dom[$key]['text-indent'] = $dom[$parentkey]['text-indent'];
                                                $dom[$key]['text-transform'] = $dom[$parentkey]['text-transform'];
                                                $dom[$key]['border'] = array();
                                                $dom[$key]['dir'] = $dom[$parentkey]['dir'];
                                        }
                                        // get attributes
                                        preg_match_all('/([^=\s]*)[\s]*=[\s]*"([^"]*)"/', $element, $attr_array, PREG_PATTERN_ORDER);
                                        $dom[$key]['attribute'] = array(); // reset attribute array
                                        while (list($id, $name) = each($attr_array[1])) {
                                                $dom[$key]['attribute'][strtolower($name)] = $attr_array[2][$id];
                                        }
                                        if (!empty($css)) {
                                                // merge CSS style to current style
                                                list($dom[$key]['csssel'], $dom[$key]['cssdata']) = TCPDF_STATIC::getCSSdataArray($dom, $key, $css);
                                                $dom[$key]['attribute']['style'] = TCPDF_STATIC::getTagStyleFromCSSarray($dom[$key]['cssdata']);
                                        }
                                        // split style attributes
                                        if (isset($dom[$key]['attribute']['style']) AND !empty($dom[$key]['attribute']['style'])) {
                                                // get style attributes
                                                preg_match_all('/([^;:\s]*):([^;]*)/', $dom[$key]['attribute']['style'], $style_array, PREG_PATTERN_ORDER);
                                                $dom[$key]['style'] = array(); // reset style attribute array
                                                while (list($id, $name) = each($style_array[1])) {
                                                        // in case of duplicate attribute the last replace the previous
                                                        $dom[$key]['style'][strtolower($name)] = trim($style_array[2][$id]);
                                                }
                                                // --- get some style attributes ---
                                                // text direction
                                                if (isset($dom[$key]['style']['direction'])) {
                                                        $dom[$key]['dir'] = $dom[$key]['style']['direction'];
                                                }
                                                // display
                                                if (isset($dom[$key]['style']['display'])) {
                                                        $dom[$key]['hide'] = (trim(strtolower($dom[$key]['style']['display'])) == 'none');
                                                }
                                                // font family
                                                if (isset($dom[$key]['style']['font-family'])) {
                                                        $dom[$key]['fontname'] = $this->getFontFamilyName($dom[$key]['style']['font-family']);
                                                }
                                                // list-style-type
                                                if (isset($dom[$key]['style']['list-style-type'])) {
                                                        $dom[$key]['listtype'] = trim(strtolower($dom[$key]['style']['list-style-type']));
                                                        if ($dom[$key]['listtype'] == 'inherit') {
                                                                $dom[$key]['listtype'] = $dom[$parentkey]['listtype'];
                                                        }
                                                }
                                                // text-indent
                                                if (isset($dom[$key]['style']['text-indent'])) {
                                                        $dom[$key]['text-indent'] = $this->getHTMLUnitToUnits($dom[$key]['style']['text-indent']);
                                                        if ($dom[$key]['text-indent'] == 'inherit') {
                                                                $dom[$key]['text-indent'] = $dom[$parentkey]['text-indent'];
                                                        }
                                                }
                                                // text-transform
                                                if (isset($dom[$key]['style']['text-transform'])) {
                                                        $dom[$key]['text-transform'] = $dom[$key]['style']['text-transform'];
                                                }
                                                // font size
                                                if (isset($dom[$key]['style']['font-size'])) {
                                                        $fsize = trim($dom[$key]['style']['font-size']);
                                                        $dom[$key]['fontsize'] = $this->getHTMLFontUnits($fsize, $dom[0]['fontsize'], $dom[$parentkey]['fontsize'], 'pt');
                                                }
                                                // font-stretch
                                                if (isset($dom[$key]['style']['font-stretch'])) {
                                                        $dom[$key]['font-stretch'] = $this->getCSSFontStretching($dom[$key]['style']['font-stretch'], $dom[$parentkey]['font-stretch']);
                                                }
                                                // letter-spacing
                                                if (isset($dom[$key]['style']['letter-spacing'])) {
                                                        $dom[$key]['letter-spacing'] = $this->getCSSFontSpacing($dom[$key]['style']['letter-spacing'], $dom[$parentkey]['letter-spacing']);
                                                }
                                                // line-height (internally is the cell height ratio)
                                                if (isset($dom[$key]['style']['line-height'])) {
                                                        $lineheight = trim($dom[$key]['style']['line-height']);
                                                        switch ($lineheight) {
                                                                // A normal line height. This is default
                                                                case 'normal': {
                                                                        $dom[$key]['line-height'] = $dom[0]['line-height'];
                                                                        break;
                                                                }
                                                                case 'inherit': {
                                                                        $dom[$key]['line-height'] = $dom[$parentkey]['line-height'];
                                                                }
                                                                default: {
                                                                        if (is_numeric($lineheight)) {
                                                                                // convert to percentage of font height
                                                                                $lineheight = ($lineheight * 100).'%';
                                                                        }
                                                                        $dom[$key]['line-height'] = $this->getHTMLUnitToUnits($lineheight, 1, '%', true);
                                                                        if (substr($lineheight, -1) !== '%') {
                                                                                if ($dom[$key]['fontsize'] <= 0) {
                                                                                        $dom[$key]['line-height'] = 1;
                                                                                } else {
                                                                                        $dom[$key]['line-height'] = (($dom[$key]['line-height'] - $this->cell_padding['T'] - $this->cell_padding['B']) / $dom[$key]['fontsize']);
                                                                                }
                                                                        }
                                                                }
                                                        }
                                                }
                                                // font style
                                                if (isset($dom[$key]['style']['font-weight'])) {
                                                        if (strtolower($dom[$key]['style']['font-weight'][0]) == 'n') {
                                                                if (strpos($dom[$key]['fontstyle'], 'B') !== false) {
                                                                        $dom[$key]['fontstyle'] = str_replace('B', '', $dom[$key]['fontstyle']);
                                                                }
                                                        } elseif (strtolower($dom[$key]['style']['font-weight'][0]) == 'b') {
                                                                $dom[$key]['fontstyle'] .= 'B';
                                                        }
                                                }
                                                if (isset($dom[$key]['style']['font-style']) AND (strtolower($dom[$key]['style']['font-style'][0]) == 'i')) {
                                                        $dom[$key]['fontstyle'] .= 'I';
                                                }
                                                // font color
                                                if (isset($dom[$key]['style']['color']) AND (!TCPDF_STATIC::empty_string($dom[$key]['style']['color']))) {
                                                        $dom[$key]['fgcolor'] = TCPDF_COLORS::convertHTMLColorToDec($dom[$key]['style']['color'], $this->spot_colors);
                                                } elseif ($dom[$key]['value'] == 'a') {
                                                        $dom[$key]['fgcolor'] = $this->htmlLinkColorArray;
                                                }
                                                // background color
                                                if (isset($dom[$key]['style']['background-color']) AND (!TCPDF_STATIC::empty_string($dom[$key]['style']['background-color']))) {
                                                        $dom[$key]['bgcolor'] = TCPDF_COLORS::convertHTMLColorToDec($dom[$key]['style']['background-color'], $this->spot_colors);
                                                }
                                                // text-decoration
                                                if (isset($dom[$key]['style']['text-decoration'])) {
                                                        $decors = explode(' ', strtolower($dom[$key]['style']['text-decoration']));
                                                        foreach ($decors as $dec) {
                                                                $dec = trim($dec);
                                                                if (!TCPDF_STATIC::empty_string($dec)) {
                                                                        if ($dec[0] == 'u') {
                                                                                // underline
                                                                                $dom[$key]['fontstyle'] .= 'U';
                                                                        } elseif ($dec[0] == 'l') {
                                                                                // line-through
                                                                                $dom[$key]['fontstyle'] .= 'D';
                                                                        } elseif ($dec[0] == 'o') {
                                                                                // overline
                                                                                $dom[$key]['fontstyle'] .= 'O';
                                                                        }
                                                                }
                                                        }
                                                } elseif ($dom[$key]['value'] == 'a') {
                                                        $dom[$key]['fontstyle'] = $this->htmlLinkFontStyle;
                                                }
                                                // check for width attribute
                                                if (isset($dom[$key]['style']['width'])) {
                                                        $dom[$key]['width'] = $dom[$key]['style']['width'];
                                                }
                                                // check for height attribute
                                                if (isset($dom[$key]['style']['height'])) {
                                                        $dom[$key]['height'] = $dom[$key]['style']['height'];
                                                }
                                                // check for text alignment
                                                if (isset($dom[$key]['style']['text-align'])) {
                                                        $dom[$key]['align'] = strtoupper($dom[$key]['style']['text-align'][0]);
                                                }
                                                // check for CSS border properties
                                                if (isset($dom[$key]['style']['border'])) {
                                                        $borderstyle = $this->getCSSBorderStyle($dom[$key]['style']['border']);
                                                        if (!empty($borderstyle)) {
                                                                $dom[$key]['border']['LTRB'] = $borderstyle;
                                                        }
                                                }
                                                if (isset($dom[$key]['style']['border-color'])) {
                                                        $brd_colors = preg_split('/[\s]+/', trim($dom[$key]['style']['border-color']));
                                                        if (isset($brd_colors[3])) {
                                                                $dom[$key]['border']['L']['color'] = TCPDF_COLORS::convertHTMLColorToDec($brd_colors[3], $this->spot_colors);
                                                        }
                                                        if (isset($brd_colors[1])) {
                                                                $dom[$key]['border']['R']['color'] = TCPDF_COLORS::convertHTMLColorToDec($brd_colors[1], $this->spot_colors);
                                                        }
                                                        if (isset($brd_colors[0])) {
                                                                $dom[$key]['border']['T']['color'] = TCPDF_COLORS::convertHTMLColorToDec($brd_colors[0], $this->spot_colors);
                                                        }
                                                        if (isset($brd_colors[2])) {
                                                                $dom[$key]['border']['B']['color'] = TCPDF_COLORS::convertHTMLColorToDec($brd_colors[2], $this->spot_colors);
                                                        }
                                                }
                                                if (isset($dom[$key]['style']['border-width'])) {
                                                        $brd_widths = preg_split('/[\s]+/', trim($dom[$key]['style']['border-width']));
                                                        if (isset($brd_widths[3])) {
                                                                $dom[$key]['border']['L']['width'] = $this->getCSSBorderWidth($brd_widths[3]);
                                                        }
                                                        if (isset($brd_widths[1])) {
                                                                $dom[$key]['border']['R']['width'] = $this->getCSSBorderWidth($brd_widths[1]);
                                                        }
                                                        if (isset($brd_widths[0])) {
                                                                $dom[$key]['border']['T']['width'] = $this->getCSSBorderWidth($brd_widths[0]);
                                                        }
                                                        if (isset($brd_widths[2])) {
                                                                $dom[$key]['border']['B']['width'] = $this->getCSSBorderWidth($brd_widths[2]);
                                                        }
                                                }
                                                if (isset($dom[$key]['style']['border-style'])) {
                                                        $brd_styles = preg_split('/[\s]+/', trim($dom[$key]['style']['border-style']));
                                                        if (isset($brd_styles[3]) AND ($brd_styles[3]!='none')) {
                                                                $dom[$key]['border']['L']['cap'] = 'square';
                                                                $dom[$key]['border']['L']['join'] = 'miter';
                                                                $dom[$key]['border']['L']['dash'] = $this->getCSSBorderDashStyle($brd_styles[3]);
                                                                if ($dom[$key]['border']['L']['dash'] < 0) {
                                                                        $dom[$key]['border']['L'] = array();
                                                                }
                                                        }
                                                        if (isset($brd_styles[1])) {
                                                                $dom[$key]['border']['R']['cap'] = 'square';
                                                                $dom[$key]['border']['R']['join'] = 'miter';
                                                                $dom[$key]['border']['R']['dash'] = $this->getCSSBorderDashStyle($brd_styles[1]);
                                                                if ($dom[$key]['border']['R']['dash'] < 0) {
                                                                        $dom[$key]['border']['R'] = array();
                                                                }
                                                        }
                                                        if (isset($brd_styles[0])) {
                                                                $dom[$key]['border']['T']['cap'] = 'square';
                                                                $dom[$key]['border']['T']['join'] = 'miter';
                                                                $dom[$key]['border']['T']['dash'] = $this->getCSSBorderDashStyle($brd_styles[0]);
                                                                if ($dom[$key]['border']['T']['dash'] < 0) {
                                                                        $dom[$key]['border']['T'] = array();
                                                                }
                                                        }
                                                        if (isset($brd_styles[2])) {
                                                                $dom[$key]['border']['B']['cap'] = 'square';
                                                                $dom[$key]['border']['B']['join'] = 'miter';
                                                                $dom[$key]['border']['B']['dash'] = $this->getCSSBorderDashStyle($brd_styles[2]);
                                                                if ($dom[$key]['border']['B']['dash'] < 0) {
                                                                        $dom[$key]['border']['B'] = array();
                                                                }
                                                        }
                                                }
                                                $cellside = array('L' => 'left', 'R' => 'right', 'T' => 'top', 'B' => 'bottom');
                                                foreach ($cellside as $bsk => $bsv) {
                                                        if (isset($dom[$key]['style']['border-'.$bsv])) {
                                                                $borderstyle = $this->getCSSBorderStyle($dom[$key]['style']['border-'.$bsv]);
                                                                if (!empty($borderstyle)) {
                                                                        $dom[$key]['border'][$bsk] = $borderstyle;
                                                                }
                                                        }
                                                        if (isset($dom[$key]['style']['border-'.$bsv.'-color'])) {
                                                                $dom[$key]['border'][$bsk]['color'] = TCPDF_COLORS::convertHTMLColorToDec($dom[$key]['style']['border-'.$bsv.'-color'], $this->spot_colors);
                                                        }
                                                        if (isset($dom[$key]['style']['border-'.$bsv.'-width'])) {
                                                                $dom[$key]['border'][$bsk]['width'] = $this->getCSSBorderWidth($dom[$key]['style']['border-'.$bsv.'-width']);
                                                        }
                                                        if (isset($dom[$key]['style']['border-'.$bsv.'-style'])) {
                                                                $dom[$key]['border'][$bsk]['dash'] = $this->getCSSBorderDashStyle($dom[$key]['style']['border-'.$bsv.'-style']);
                                                                if ($dom[$key]['border'][$bsk]['dash'] < 0) {
                                                                        $dom[$key]['border'][$bsk] = array();
                                                                }
                                                        }
                                                }
                                                // check for CSS padding properties
                                                if (isset($dom[$key]['style']['padding'])) {
                                                        $dom[$key]['padding'] = $this->getCSSPadding($dom[$key]['style']['padding']);
                                                } else {
                                                        $dom[$key]['padding'] = $this->cell_padding;
                                                }
                                                foreach ($cellside as $psk => $psv) {
                                                        if (isset($dom[$key]['style']['padding-'.$psv])) {
                                                                $dom[$key]['padding'][$psk] = $this->getHTMLUnitToUnits($dom[$key]['style']['padding-'.$psv], 0, 'px', false);
                                                        }
                                                }
                                                // check for CSS margin properties
                                                if (isset($dom[$key]['style']['margin'])) {
                                                        $dom[$key]['margin'] = $this->getCSSMargin($dom[$key]['style']['margin']);
                                                } else {
                                                        $dom[$key]['margin'] = $this->cell_margin;
                                                }
                                                foreach ($cellside as $psk => $psv) {
                                                        if (isset($dom[$key]['style']['margin-'.$psv])) {
                                                                $dom[$key]['margin'][$psk] = $this->getHTMLUnitToUnits(str_replace('auto', '0', $dom[$key]['style']['margin-'.$psv]), 0, 'px', false);
                                                        }
                                                }
                                                // check for CSS border-spacing properties
                                                if (isset($dom[$key]['style']['border-spacing'])) {
                                                        $dom[$key]['border-spacing'] = $this->getCSSBorderMargin($dom[$key]['style']['border-spacing']);
                                                }
                                                // page-break-inside
                                                if (isset($dom[$key]['style']['page-break-inside']) AND ($dom[$key]['style']['page-break-inside'] == 'avoid')) {
                                                        $dom[$key]['attribute']['nobr'] = 'true';
                                                }
                                                // page-break-before
                                                if (isset($dom[$key]['style']['page-break-before'])) {
                                                        if ($dom[$key]['style']['page-break-before'] == 'always') {
                                                                $dom[$key]['attribute']['pagebreak'] = 'true';
                                                        } elseif ($dom[$key]['style']['page-break-before'] == 'left') {
                                                                $dom[$key]['attribute']['pagebreak'] = 'left';
                                                        } elseif ($dom[$key]['style']['page-break-before'] == 'right') {
                                                                $dom[$key]['attribute']['pagebreak'] = 'right';
                                                        }
                                                }
                                                // page-break-after
                                                if (isset($dom[$key]['style']['page-break-after'])) {
                                                        if ($dom[$key]['style']['page-break-after'] == 'always') {
                                                                $dom[$key]['attribute']['pagebreakafter'] = 'true';
                                                        } elseif ($dom[$key]['style']['page-break-after'] == 'left') {
                                                                $dom[$key]['attribute']['pagebreakafter'] = 'left';
                                                        } elseif ($dom[$key]['style']['page-break-after'] == 'right') {
                                                                $dom[$key]['attribute']['pagebreakafter'] = 'right';
                                                        }
                                                }
                                        }
                                        if (isset($dom[$key]['attribute']['display'])) {
                                                $dom[$key]['hide'] = (trim(strtolower($dom[$key]['attribute']['display'])) == 'none');
                                        }
                                        if (isset($dom[$key]['attribute']['border']) AND ($dom[$key]['attribute']['border'] != 0)) {
                                                $borderstyle = $this->getCSSBorderStyle($dom[$key]['attribute']['border'].' solid black');
                                                if (!empty($borderstyle)) {
                                                        $dom[$key]['border']['LTRB'] = $borderstyle;
                                                }
                                        }
                                        // check for font tag
                                        if ($dom[$key]['value'] == 'font') {
                                                // font family
                                                if (isset($dom[$key]['attribute']['face'])) {
                                                        $dom[$key]['fontname'] = $this->getFontFamilyName($dom[$key]['attribute']['face']);
                                                }
                                                // font size
                                                if (isset($dom[$key]['attribute']['size'])) {
                                                        if ($key > 0) {
                                                                if ($dom[$key]['attribute']['size'][0] == '+') {
                                                                        $dom[$key]['fontsize'] = $dom[($dom[$key]['parent'])]['fontsize'] + intval(substr($dom[$key]['attribute']['size'], 1));
                                                                } elseif ($dom[$key]['attribute']['size'][0] == '-') {
                                                                        $dom[$key]['fontsize'] = $dom[($dom[$key]['parent'])]['fontsize'] - intval(substr($dom[$key]['attribute']['size'], 1));
                                                                } else {
                                                                        $dom[$key]['fontsize'] = intval($dom[$key]['attribute']['size']);
                                                                }
                                                        } else {
                                                                $dom[$key]['fontsize'] = intval($dom[$key]['attribute']['size']);
                                                        }
                                                }
                                        }
                                        // force natural alignment for lists
                                        if ((($dom[$key]['value'] == 'ul') OR ($dom[$key]['value'] == 'ol') OR ($dom[$key]['value'] == 'dl'))
                                                AND (!isset($dom[$key]['align']) OR TCPDF_STATIC::empty_string($dom[$key]['align']) OR ($dom[$key]['align'] != 'J'))) {
                                                if ($this->rtl) {
                                                        $dom[$key]['align'] = 'R';
                                                } else {
                                                        $dom[$key]['align'] = 'L';
                                                }
                                        }
                                        if (($dom[$key]['value'] == 'small') OR ($dom[$key]['value'] == 'sup') OR ($dom[$key]['value'] == 'sub')) {
                                                if (!isset($dom[$key]['attribute']['size']) AND !isset($dom[$key]['style']['font-size'])) {
                                                        $dom[$key]['fontsize'] = $dom[$key]['fontsize'] * K_SMALL_RATIO;
                                                }
                                        }
                                        if (($dom[$key]['value'] == 'strong') OR ($dom[$key]['value'] == 'b')) {
                                                $dom[$key]['fontstyle'] .= 'B';
                                        }
                                        if (($dom[$key]['value'] == 'em') OR ($dom[$key]['value'] == 'i')) {
                                                $dom[$key]['fontstyle'] .= 'I';
                                        }
                                        if ($dom[$key]['value'] == 'u') {
                                                $dom[$key]['fontstyle'] .= 'U';
                                        }
                                        if (($dom[$key]['value'] == 'del') OR ($dom[$key]['value'] == 's') OR ($dom[$key]['value'] == 'strike')) {
                                                $dom[$key]['fontstyle'] .= 'D';
                                        }
                                        if (!isset($dom[$key]['style']['text-decoration']) AND ($dom[$key]['value'] == 'a')) {
                                                $dom[$key]['fontstyle'] = $this->htmlLinkFontStyle;
                                        }
                                        if (($dom[$key]['value'] == 'pre') OR ($dom[$key]['value'] == 'tt')) {
                                                $dom[$key]['fontname'] = $this->default_monospaced_font;
                                        }
                                        if (!empty($dom[$key]['value']) AND ($dom[$key]['value'][0] == 'h') AND (intval($dom[$key]['value']{1}) > 0) AND (intval($dom[$key]['value']{1}) < 7)) {
                                                // headings h1, h2, h3, h4, h5, h6
                                                if (!isset($dom[$key]['attribute']['size']) AND !isset($dom[$key]['style']['font-size'])) {
                                                        $headsize = (4 - intval($dom[$key]['value']{1})) * 2;
                                                        $dom[$key]['fontsize'] = $dom[0]['fontsize'] + $headsize;
                                                }
                                                if (!isset($dom[$key]['style']['font-weight'])) {
                                                        $dom[$key]['fontstyle'] .= 'B';
                                                }
                                        }
                                        if (($dom[$key]['value'] == 'table')) {
                                                $dom[$key]['rows'] = 0; // number of rows
                                                $dom[$key]['trids'] = array(); // IDs of TR elements
                                                $dom[$key]['thead'] = ''; // table header rows
                                        }
                                        if (($dom[$key]['value'] == 'tr')) {
                                                $dom[$key]['cols'] = 0;
                                                if ($thead) {
                                                        $dom[$key]['thead'] = true;
                                                        // rows on thead block are printed as a separate table
                                                } else {
                                                        $dom[$key]['thead'] = false;
                                                        // store the number of rows on table element
                                                        ++$dom[($dom[$key]['parent'])]['rows'];
                                                        // store the TR elements IDs on table element
                                                        array_push($dom[($dom[$key]['parent'])]['trids'], $key);
                                                }
                                        }
                                        if (($dom[$key]['value'] == 'th') OR ($dom[$key]['value'] == 'td')) {
                                                if (isset($dom[$key]['attribute']['colspan'])) {
                                                        $colspan = intval($dom[$key]['attribute']['colspan']);
                                                } else {
                                                        $colspan = 1;
                                                }
                                                $dom[$key]['attribute']['colspan'] = $colspan;
                                                $dom[($dom[$key]['parent'])]['cols'] += $colspan;
                                        }
                                        // text direction
                                        if (isset($dom[$key]['attribute']['dir'])) {
                                                $dom[$key]['dir'] = $dom[$key]['attribute']['dir'];
                                        }
                                        // set foreground color attribute
                                        if (isset($dom[$key]['attribute']['color']) AND (!TCPDF_STATIC::empty_string($dom[$key]['attribute']['color']))) {
                                                $dom[$key]['fgcolor'] = TCPDF_COLORS::convertHTMLColorToDec($dom[$key]['attribute']['color'], $this->spot_colors);
                                        } elseif (!isset($dom[$key]['style']['color']) AND ($dom[$key]['value'] == 'a')) {
                                                $dom[$key]['fgcolor'] = $this->htmlLinkColorArray;
                                        }
                                        // set background color attribute
                                        if (isset($dom[$key]['attribute']['bgcolor']) AND (!TCPDF_STATIC::empty_string($dom[$key]['attribute']['bgcolor']))) {
                                                $dom[$key]['bgcolor'] = TCPDF_COLORS::convertHTMLColorToDec($dom[$key]['attribute']['bgcolor'], $this->spot_colors);
                                        }
                                        // set stroke color attribute
                                        if (isset($dom[$key]['attribute']['strokecolor']) AND (!TCPDF_STATIC::empty_string($dom[$key]['attribute']['strokecolor']))) {
                                                $dom[$key]['strokecolor'] = TCPDF_COLORS::convertHTMLColorToDec($dom[$key]['attribute']['strokecolor'], $this->spot_colors);
                                        }
                                        // check for width attribute
                                        if (isset($dom[$key]['attribute']['width'])) {
                                                $dom[$key]['width'] = $dom[$key]['attribute']['width'];
                                        }
                                        // check for height attribute
                                        if (isset($dom[$key]['attribute']['height'])) {
                                                $dom[$key]['height'] = $dom[$key]['attribute']['height'];
                                        }
                                        // check for text alignment
                                        if (isset($dom[$key]['attribute']['align']) AND (!TCPDF_STATIC::empty_string($dom[$key]['attribute']['align'])) AND ($dom[$key]['value'] !== 'img')) {
                                                $dom[$key]['align'] = strtoupper($dom[$key]['attribute']['align'][0]);
                                        }
                                        // check for text rendering mode (the following attributes do not exist in HTML)
                                        if (isset($dom[$key]['attribute']['stroke'])) {
                                                // font stroke width
                                                $dom[$key]['stroke'] = $this->getHTMLUnitToUnits($dom[$key]['attribute']['stroke'], $dom[$key]['fontsize'], 'pt', true);
                                        }
                                        if (isset($dom[$key]['attribute']['fill'])) {
                                                // font fill
                                                if ($dom[$key]['attribute']['fill'] == 'true') {
                                                        $dom[$key]['fill'] = true;
                                                } else {
                                                        $dom[$key]['fill'] = false;
                                                }
                                        }
                                        if (isset($dom[$key]['attribute']['clip'])) {
                                                // clipping mode
                                                if ($dom[$key]['attribute']['clip'] == 'true') {
                                                        $dom[$key]['clip'] = true;
                                                } else {
                                                        $dom[$key]['clip'] = false;
                                                }
                                        }
                                } // end opening tag
                        } else {
                                // text
                                $dom[$key]['tag'] = false;
                                $dom[$key]['block'] = false;
                                $dom[$key]['parent'] = end($level);
                                $dom[$key]['dir'] = $dom[$dom[$key]['parent']]['dir'];
                                if (!empty($dom[$dom[$key]['parent']]['text-transform'])) {
                                        // text-transform for unicode requires mb_convert_case (Multibyte String Functions)
                                        if (function_exists('mb_convert_case')) {
                                                $ttm = array('capitalize' => MB_CASE_TITLE, 'uppercase' => MB_CASE_UPPER, 'lowercase' => MB_CASE_LOWER);
                                                if (isset($ttm[$dom[$dom[$key]['parent']]['text-transform']])) {
                                                        $element = mb_convert_case($element, $ttm[$dom[$dom[$key]['parent']]['text-transform']], $this->encoding);
                                                }
                                        } elseif (!$this->isunicode) {
                                                switch ($dom[$dom[$key]['parent']]['text-transform']) {
                                                        case 'capitalize': {
                                                                $element = ucwords(strtolower($element));
                                                                break;
                                                        }
                                                        case 'uppercase': {
                                                                $element = strtoupper($element);
                                                                break;
                                                        }
                                                        case 'lowercase': {
                                                                $element = strtolower($element);
                                                                break;
                                                        }
                                                }
                                        }
                                }
                                $dom[$key]['value'] = stripslashes($this->unhtmlentities($element));
                        }
                        ++$elkey;
                        ++$key;
                }
                return $dom;
        }
 
        protected function getSpaceString() {
                $spacestr = chr(32);
                if ($this->isUnicodeFont()) {
                        $spacestr = chr(0).chr(32);
                }
                return $spacestr;
        }
 
        protected function getHashForTCPDFtagParams($data) {
                return md5(strlen($data).$this->file_id.$data);
        }
 
        public function serializeTCPDFtagParameters($data) {
                $encoded = urlencode(json_encode($data));
                return $this->getHashForTCPDFtagParams($encoded).$encoded;
        }
 
        protected function unserializeTCPDFtagParameters($data) {
                $hash = substr($data, 0, 32);
                $encoded = substr($data, 32);
                if ($hash != $this->getHashForTCPDFtagParams($encoded)) {
                        $this->Error('Invalid parameters');
                }
                return json_decode(urldecode($encoded), true);
        }
 
        public function writeHTMLCell($w, $h, $x, $y, $html='', $border=0, $ln=0, $fill=false, $reseth=true, $align='', $autopadding=true) {
                return $this->MultiCell($w, $h, $html, $border, $align, $fill, $ln, $x, $y, $reseth, 0, true, $autopadding, 0, 'T', false);
        }
 
        public function writeHTML($html, $ln=true, $fill=false, $reseth=false, $cell=false, $align='') {
                $gvars = $this->getGraphicVars();
                // store current values
                $prev_cell_margin = $this->cell_margin;
                $prev_cell_padding = $this->cell_padding;
                $prevPage = $this->page;
                $prevlMargin = $this->lMargin;
                $prevrMargin = $this->rMargin;
                $curfontname = $this->FontFamily;
                $curfontstyle = $this->FontStyle;
                $curfontsize = $this->FontSizePt;
                $curfontascent = $this->getFontAscent($curfontname, $curfontstyle, $curfontsize);
                $curfontdescent = $this->getFontDescent($curfontname, $curfontstyle, $curfontsize);
                $curfontstretcing = $this->font_stretching;
                $curfonttracking = $this->font_spacing;
                $this->newline = true;
                $newline = true;
                $startlinepage = $this->page;
                $minstartliney = $this->y;
                $maxbottomliney = 0;
                $startlinex = $this->x;
                $startliney = $this->y;
                $yshift = 0;
                $loop = 0;
                $curpos = 0;
                $this_method_vars = array();
                $undo = false;
                $fontaligned = false;
                $reverse_dir = false; // true when the text direction is reversed
                $this->premode = false;
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $pask = count($this->xobjects[$this->xobjid]['annotations']);
                } elseif (isset($this->PageAnnots[$this->page])) {
                        $pask = count($this->PageAnnots[$this->page]);
                } else {
                        $pask = 0;
                }
                if ($this->inxobj) {
                        // we are inside an XObject template
                        $startlinepos = strlen($this->xobjects[$this->xobjid]['outdata']);
                } elseif (!$this->InFooter) {
                        if (isset($this->footerlen[$this->page])) {
                                $this->footerpos[$this->page] = $this->pagelen[$this->page] - $this->footerlen[$this->page];
                        } else {
                                $this->footerpos[$this->page] = $this->pagelen[$this->page];
                        }
                        $startlinepos = $this->footerpos[$this->page];
                } else {
                        // we are inside the footer
                        $startlinepos = $this->pagelen[$this->page];
                }
                $lalign = $align;
                $plalign = $align;
                if ($this->rtl) {
                        $w = $this->x - $this->lMargin;
                } else {
                        $w = $this->w - $this->rMargin - $this->x;
                }
                $w -= ($this->cell_padding['L'] + $this->cell_padding['R']);
                if ($cell) {
                        if ($this->rtl) {
                                $this->x -= $this->cell_padding['R'];
                                $this->lMargin += $this->cell_padding['R'];
                        } else {
                                $this->x += $this->cell_padding['L'];
                                $this->rMargin += $this->cell_padding['L'];
                        }
                }
                if ($this->customlistindent >= 0) {
                        $this->listindent = $this->customlistindent;
                } else {
                        $this->listindent = $this->GetStringWidth('000000');
                }
                $this->listindentlevel = 0;
                // save previous states
                $prev_cell_height_ratio = $this->cell_height_ratio;
                $prev_listnum = $this->listnum;
                $prev_listordered = $this->listordered;
                $prev_listcount = $this->listcount;
                $prev_lispacer = $this->lispacer;
                $this->listnum = 0;
                $this->listordered = array();
                $this->listcount = array();
                $this->lispacer = '';
                if ((TCPDF_STATIC::empty_string($this->lasth)) OR ($reseth)) {
                        // reset row height
                        $this->resetLastH();
                }
                $dom = $this->getHtmlDomArray($html);
                $maxel = count($dom);
                $key = 0;
                while ($key < $maxel) {
                        if ($dom[$key]['tag'] AND $dom[$key]['opening'] AND $dom[$key]['hide']) {
                                // store the node key
                                $hidden_node_key = $key;
                                if ($dom[$key]['self']) {
                                        // skip just this self-closing tag
                                        ++$key;
                                } else {
                                        // skip this and all children tags
                                        while (($key < $maxel) AND (!$dom[$key]['tag'] OR $dom[$key]['opening'] OR ($dom[$key]['parent'] != $hidden_node_key))) {
                                                // skip hidden objects
                                                ++$key;
                                        }
                                        ++$key;
                                }
                        }
                        if ($dom[$key]['tag'] AND isset($dom[$key]['attribute']['pagebreak'])) {
                                // check for pagebreak
                                if (($dom[$key]['attribute']['pagebreak'] == 'true') OR ($dom[$key]['attribute']['pagebreak'] == 'left') OR ($dom[$key]['attribute']['pagebreak'] == 'right')) {
                                        // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                        $this->checkPageBreak($this->PageBreakTrigger + 1);
                                        $this->htmlvspace = ($this->PageBreakTrigger + 1);
                                }
                                if ((($dom[$key]['attribute']['pagebreak'] == 'left') AND (((!$this->rtl) AND (($this->page % 2) == 0)) OR (($this->rtl) AND (($this->page % 2) != 0))))
                                        OR (($dom[$key]['attribute']['pagebreak'] == 'right') AND (((!$this->rtl) AND (($this->page % 2) != 0)) OR (($this->rtl) AND (($this->page % 2) == 0))))) {
                                        // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                        $this->checkPageBreak($this->PageBreakTrigger + 1);
                                        $this->htmlvspace = ($this->PageBreakTrigger + 1);
                                }
                        }
                        if ($dom[$key]['tag'] AND $dom[$key]['opening'] AND isset($dom[$key]['attribute']['nobr']) AND ($dom[$key]['attribute']['nobr'] == 'true')) {
                                if (isset($dom[($dom[$key]['parent'])]['attribute']['nobr']) AND ($dom[($dom[$key]['parent'])]['attribute']['nobr'] == 'true')) {
                                        $dom[$key]['attribute']['nobr'] = false;
                                } else {
                                        // store current object
                                        $this->startTransaction();
                                        // save this method vars
                                        $this_method_vars['html'] = $html;
                                        $this_method_vars['ln'] = $ln;
                                        $this_method_vars['fill'] = $fill;
                                        $this_method_vars['reseth'] = $reseth;
                                        $this_method_vars['cell'] = $cell;
                                        $this_method_vars['align'] = $align;
                                        $this_method_vars['gvars'] = $gvars;
                                        $this_method_vars['prevPage'] = $prevPage;
                                        $this_method_vars['prev_cell_margin'] = $prev_cell_margin;
                                        $this_method_vars['prev_cell_padding'] = $prev_cell_padding;
                                        $this_method_vars['prevlMargin'] = $prevlMargin;
                                        $this_method_vars['prevrMargin'] = $prevrMargin;
                                        $this_method_vars['curfontname'] = $curfontname;
                                        $this_method_vars['curfontstyle'] = $curfontstyle;
                                        $this_method_vars['curfontsize'] = $curfontsize;
                                        $this_method_vars['curfontascent'] = $curfontascent;
                                        $this_method_vars['curfontdescent'] = $curfontdescent;
                                        $this_method_vars['curfontstretcing'] = $curfontstretcing;
                                        $this_method_vars['curfonttracking'] = $curfonttracking;
                                        $this_method_vars['minstartliney'] = $minstartliney;
                                        $this_method_vars['maxbottomliney'] = $maxbottomliney;
                                        $this_method_vars['yshift'] = $yshift;
                                        $this_method_vars['startlinepage'] = $startlinepage;
                                        $this_method_vars['startlinepos'] = $startlinepos;
                                        $this_method_vars['startlinex'] = $startlinex;
                                        $this_method_vars['startliney'] = $startliney;
                                        $this_method_vars['newline'] = $newline;
                                        $this_method_vars['loop'] = $loop;
                                        $this_method_vars['curpos'] = $curpos;
                                        $this_method_vars['pask'] = $pask;
                                        $this_method_vars['lalign'] = $lalign;
                                        $this_method_vars['plalign'] = $plalign;
                                        $this_method_vars['w'] = $w;
                                        $this_method_vars['prev_cell_height_ratio'] = $prev_cell_height_ratio;
                                        $this_method_vars['prev_listnum'] = $prev_listnum;
                                        $this_method_vars['prev_listordered'] = $prev_listordered;
                                        $this_method_vars['prev_listcount'] = $prev_listcount;
                                        $this_method_vars['prev_lispacer'] = $prev_lispacer;
                                        $this_method_vars['fontaligned'] = $fontaligned;
                                        $this_method_vars['key'] = $key;
                                        $this_method_vars['dom'] = $dom;
                                }
                        }
                        // print THEAD block
                        if (($dom[$key]['value'] == 'tr') AND isset($dom[$key]['thead']) AND $dom[$key]['thead']) {
                                if (isset($dom[$key]['parent']) AND isset($dom[$dom[$key]['parent']]['thead']) AND !TCPDF_STATIC::empty_string($dom[$dom[$key]['parent']]['thead'])) {
                                        $this->inthead = true;
                                        // print table header (thead)
                                        $this->writeHTML($this->thead, false, false, false, false, '');
                                        // check if we are on a new page or on a new column
                                        if (($this->y < $this->start_transaction_y) OR ($this->checkPageBreak($this->lasth, '', false))) {
                                                // we are on a new page or on a new column and the total object height is less than the available vertical space.
                                                // restore previous object
                                                $this->rollbackTransaction(true);
                                                // restore previous values
                                                foreach ($this_method_vars as $vkey => $vval) {
                                                        $$vkey = $vval;
                                                }
                                                // disable table header
                                                $tmp_thead = $this->thead;
                                                $this->thead = '';
                                                // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                                $pre_y = $this->y;
                                                if ((!$this->checkPageBreak($this->PageBreakTrigger + 1)) AND ($this->y < $pre_y)) {
                                                        // fix for multicolumn mode
                                                        $startliney = $this->y;
                                                }
                                                $this->start_transaction_page = $this->page;
                                                $this->start_transaction_y = $this->y;
                                                // restore table header
                                                $this->thead = $tmp_thead;
                                                // fix table border properties
                                                if (isset($dom[$dom[$key]['parent']]['attribute']['cellspacing'])) {
                                                        $tmp_cellspacing = $this->getHTMLUnitToUnits($dom[$dom[$key]['parent']]['attribute']['cellspacing'], 1, 'px');
                                                } elseif (isset($dom[$dom[$key]['parent']]['border-spacing'])) {
                                                        $tmp_cellspacing = $dom[$dom[$key]['parent']]['border-spacing']['V'];
                                                } else {
                                                        $tmp_cellspacing = 0;
                                                }
                                                $dom[$dom[$key]['parent']]['borderposition']['page'] = $this->page;
                                                $dom[$dom[$key]['parent']]['borderposition']['column'] = $this->current_column;
                                                $dom[$dom[$key]['parent']]['borderposition']['y'] = $this->y + $tmp_cellspacing;
                                                $xoffset = ($this->x - $dom[$dom[$key]['parent']]['borderposition']['x']);
                                                $dom[$dom[$key]['parent']]['borderposition']['x'] += $xoffset;
                                                $dom[$dom[$key]['parent']]['borderposition']['xmax'] += $xoffset;
                                                // print table header (thead)
                                                $this->writeHTML($this->thead, false, false, false, false, '');
                                        }
                                }
                                // move $key index forward to skip THEAD block
                                while ( ($key < $maxel) AND (!(
                                        ($dom[$key]['tag'] AND $dom[$key]['opening'] AND ($dom[$key]['value'] == 'tr') AND (!isset($dom[$key]['thead']) OR !$dom[$key]['thead']))
                                        OR ($dom[$key]['tag'] AND (!$dom[$key]['opening']) AND ($dom[$key]['value'] == 'table'))) )) {
                                        ++$key;
                                }
                        }
                        if ($dom[$key]['tag'] OR ($key == 0)) {
                                if ((($dom[$key]['value'] == 'table') OR ($dom[$key]['value'] == 'tr')) AND (isset($dom[$key]['align']))) {
                                        $dom[$key]['align'] = ($this->rtl) ? 'R' : 'L';
                                }
                                // vertically align image in line
                                if ((!$this->newline) AND ($dom[$key]['value'] == 'img') AND (isset($dom[$key]['height'])) AND ($dom[$key]['height'] > 0)) {
                                        // get image height
                                        $imgh = $this->getHTMLUnitToUnits($dom[$key]['height'], ($dom[$key]['fontsize'] / $this->k), 'px');
                                        $autolinebreak = false;
                                        if (!empty($dom[$key]['width'])) {
                                                $imgw = $this->getHTMLUnitToUnits($dom[$key]['width'], ($dom[$key]['fontsize'] / $this->k), 'px', false);
                                                if (($imgw <= ($this->w - $this->lMargin - $this->rMargin - $this->cell_padding['L'] - $this->cell_padding['R']))
                                                        AND ((($this->rtl) AND (($this->x - $imgw) < ($this->lMargin + $this->cell_padding['L'])))
                                                        OR ((!$this->rtl) AND (($this->x + $imgw) > ($this->w - $this->rMargin - $this->cell_padding['R']))))) {
                                                        // add automatic line break
                                                        $autolinebreak = true;
                                                        $this->Ln('', $cell);
                                                        if ((!$dom[($key-1)]['tag']) AND ($dom[($key-1)]['value'] == ' ')) {
                                                                // go back to evaluate this line break
                                                                --$key;
                                                        }
                                                }
                                        }
                                        if (!$autolinebreak) {
                                                if ($this->inPageBody()) {
                                                        $pre_y = $this->y;
                                                        // check for page break
                                                        if ((!$this->checkPageBreak($imgh)) AND ($this->y < $pre_y)) {
                                                                // fix for multicolumn mode
                                                                $startliney = $this->y;
                                                        }
                                                }
                                                if ($this->page > $startlinepage) {
                                                        // fix line splitted over two pages
                                                        if (isset($this->footerlen[$startlinepage])) {
                                                                $curpos = $this->pagelen[$startlinepage] - $this->footerlen[$startlinepage];
                                                        }
                                                        // line to be moved one page forward
                                                        $pagebuff = $this->getPageBuffer($startlinepage);
                                                        $linebeg = substr($pagebuff, $startlinepos, ($curpos - $startlinepos));
                                                        $tstart = substr($pagebuff, 0, $startlinepos);
                                                        $tend = substr($this->getPageBuffer($startlinepage), $curpos);
                                                        // remove line from previous page
                                                        $this->setPageBuffer($startlinepage, $tstart.''.$tend);
                                                        $pagebuff = $this->getPageBuffer($this->page);
                                                        $tstart = substr($pagebuff, 0, $this->cntmrk[$this->page]);
                                                        $tend = substr($pagebuff, $this->cntmrk[$this->page]);
                                                        // add line start to current page
                                                        $yshift = ($minstartliney - $this->y);
                                                        if ($fontaligned) {
                                                                $yshift += ($curfontsize / $this->k);
                                                        }
                                                        $try = sprintf('1 0 0 1 0 %F cm', ($yshift * $this->k));
                                                        $this->setPageBuffer($this->page, $tstart."\nq\n".$try."\n".$linebeg."\nQ\n".$tend);
                                                        // shift the annotations and links
                                                        if (isset($this->PageAnnots[$this->page])) {
                                                                $next_pask = count($this->PageAnnots[$this->page]);
                                                        } else {
                                                                $next_pask = 0;
                                                        }
                                                        if (isset($this->PageAnnots[$startlinepage])) {
                                                                foreach ($this->PageAnnots[$startlinepage] as $pak => $pac) {
                                                                        if ($pak >= $pask) {
                                                                                $this->PageAnnots[$this->page][] = $pac;
                                                                                unset($this->PageAnnots[$startlinepage][$pak]);
                                                                                $npak = count($this->PageAnnots[$this->page]) - 1;
                                                                                $this->PageAnnots[$this->page][$npak]['y'] -= $yshift;
                                                                        }
                                                                }
                                                        }
                                                        $pask = $next_pask;
                                                        $startlinepos = $this->cntmrk[$this->page];
                                                        $startlinepage = $this->page;
                                                        $startliney = $this->y;
                                                        $this->newline = false;
                                                }
                                                $this->y += ($this->getCellHeight($curfontsize / $this->k) - ($curfontdescent * $this->cell_height_ratio) - $imgh);
                                                $minstartliney = min($this->y, $minstartliney);
                                                $maxbottomliney = ($startliney + $this->getCellHeight($curfontsize / $this->k));
                                        }
                                } elseif (isset($dom[$key]['fontname']) OR isset($dom[$key]['fontstyle']) OR isset($dom[$key]['fontsize']) OR isset($dom[$key]['line-height'])) {
                                        // account for different font size
                                        $pfontname = $curfontname;
                                        $pfontstyle = $curfontstyle;
                                        $pfontsize = $curfontsize;
                                        $fontname = (isset($dom[$key]['fontname']) ? $dom[$key]['fontname'] : $curfontname);
                                        $fontstyle = (isset($dom[$key]['fontstyle']) ? $dom[$key]['fontstyle'] : $curfontstyle);
                                        $fontsize = (isset($dom[$key]['fontsize']) ? $dom[$key]['fontsize'] : $curfontsize);
                                        $fontascent = $this->getFontAscent($fontname, $fontstyle, $fontsize);
                                        $fontdescent = $this->getFontDescent($fontname, $fontstyle, $fontsize);
                                        if (($fontname != $curfontname) OR ($fontstyle != $curfontstyle) OR ($fontsize != $curfontsize)
                                                OR ($this->cell_height_ratio != $dom[$key]['line-height'])
                                                OR ($dom[$key]['tag'] AND $dom[$key]['opening'] AND ($dom[$key]['value'] == 'li')) ) {
                                                if (($key < ($maxel - 1)) AND (
                                                                ($dom[$key]['tag'] AND $dom[$key]['opening'] AND ($dom[$key]['value'] == 'li'))
                                                                OR ($this->cell_height_ratio != $dom[$key]['line-height'])
                                                                OR (!$this->newline AND is_numeric($fontsize) AND is_numeric($curfontsize)
                                                                AND ($fontsize >= 0) AND ($curfontsize >= 0)
                                                                AND (($fontsize != $curfontsize) OR ($fontstyle != $curfontstyle) OR ($fontname != $curfontname)))
                                                        )) {
                                                        if ($this->page > $startlinepage) {
                                                                // fix lines splitted over two pages
                                                                if (isset($this->footerlen[$startlinepage])) {
                                                                        $curpos = $this->pagelen[$startlinepage] - $this->footerlen[$startlinepage];
                                                                }
                                                                // line to be moved one page forward
                                                                $pagebuff = $this->getPageBuffer($startlinepage);
                                                                $linebeg = substr($pagebuff, $startlinepos, ($curpos - $startlinepos));
                                                                $tstart = substr($pagebuff, 0, $startlinepos);
                                                                $tend = substr($this->getPageBuffer($startlinepage), $curpos);
                                                                // remove line start from previous page
                                                                $this->setPageBuffer($startlinepage, $tstart.''.$tend);
                                                                $pagebuff = $this->getPageBuffer($this->page);
                                                                $tstart = substr($pagebuff, 0, $this->cntmrk[$this->page]);
                                                                $tend = substr($pagebuff, $this->cntmrk[$this->page]);
                                                                // add line start to current page
                                                                $yshift = ($minstartliney - $this->y);
                                                                $try = sprintf('1 0 0 1 0 %F cm', ($yshift * $this->k));
                                                                $this->setPageBuffer($this->page, $tstart."\nq\n".$try."\n".$linebeg."\nQ\n".$tend);
                                                                // shift the annotations and links
                                                                if (isset($this->PageAnnots[$this->page])) {
                                                                        $next_pask = count($this->PageAnnots[$this->page]);
                                                                } else {
                                                                        $next_pask = 0;
                                                                }
                                                                if (isset($this->PageAnnots[$startlinepage])) {
                                                                        foreach ($this->PageAnnots[$startlinepage] as $pak => $pac) {
                                                                                if ($pak >= $pask) {
                                                                                        $this->PageAnnots[$this->page][] = $pac;
                                                                                        unset($this->PageAnnots[$startlinepage][$pak]);
                                                                                        $npak = count($this->PageAnnots[$this->page]) - 1;
                                                                                        $this->PageAnnots[$this->page][$npak]['y'] -= $yshift;
                                                                                }
                                                                        }
                                                                }
                                                                $pask = $next_pask;
                                                                $startlinepos = $this->cntmrk[$this->page];
                                                                $startlinepage = $this->page;
                                                                $startliney = $this->y;
                                                        }
                                                        if (!isset($dom[$key]['line-height'])) {
                                                                $dom[$key]['line-height'] = $this->cell_height_ratio;
                                                        }
                                                        if (!$dom[$key]['block']) {
                                                                if (!(isset($dom[($key + 1)]) AND $dom[($key + 1)]['tag'] AND (!$dom[($key + 1)]['opening']) AND ($dom[($key + 1)]['value'] != 'li') AND $dom[$key]['tag'] AND (!$dom[$key]['opening']))) {
                                                                        $this->y += (((($curfontsize * $this->cell_height_ratio) - ($fontsize * $dom[$key]['line-height'])) / $this->k) + $curfontascent - $fontascent - $curfontdescent + $fontdescent) / 2;
                                                                }
                                                                if (($dom[$key]['value'] != 'sup') AND ($dom[$key]['value'] != 'sub')) {
                                                                        $current_line_align_data = array($key, $minstartliney, $maxbottomliney);
                                                                        if (isset($line_align_data) AND (($line_align_data[0] == ($key - 1)) OR (($line_align_data[0] == ($key - 2)) AND (isset($dom[($key - 1)])) AND (preg_match('/^([\s]+)$/', $dom[($key - 1)]['value']) > 0)))) {
                                                                                $minstartliney = min($this->y, $line_align_data[1]);
                                                                                $maxbottomliney = max(($this->y + $this->getCellHeight($fontsize / $this->k)), $line_align_data[2]);
                                                                        } else {
                                                                                $minstartliney = min($this->y, $minstartliney);
                                                                                $maxbottomliney = max(($this->y + $this->getCellHeight($fontsize / $this->k)), $maxbottomliney);
                                                                        }
                                                                        $line_align_data = $current_line_align_data;
                                                                }
                                                        }
                                                        $this->cell_height_ratio = $dom[$key]['line-height'];
                                                        $fontaligned = true;
                                                }
                                                $this->SetFont($fontname, $fontstyle, $fontsize);
                                                // reset row height
                                                $this->resetLastH();
                                                $curfontname = $fontname;
                                                $curfontstyle = $fontstyle;
                                                $curfontsize = $fontsize;
                                                $curfontascent = $fontascent;
                                                $curfontdescent = $fontdescent;
                                        }
                                }
                                // set text rendering mode
                                $textstroke = isset($dom[$key]['stroke']) ? $dom[$key]['stroke'] : $this->textstrokewidth;
                                $textfill = isset($dom[$key]['fill']) ? $dom[$key]['fill'] : (($this->textrendermode % 2) == 0);
                                $textclip = isset($dom[$key]['clip']) ? $dom[$key]['clip'] : ($this->textrendermode > 3);
                                $this->setTextRenderingMode($textstroke, $textfill, $textclip);
                                if (isset($dom[$key]['font-stretch']) AND ($dom[$key]['font-stretch'] !== false)) {
                                        $this->setFontStretching($dom[$key]['font-stretch']);
                                }
                                if (isset($dom[$key]['letter-spacing']) AND ($dom[$key]['letter-spacing'] !== false)) {
                                        $this->setFontSpacing($dom[$key]['letter-spacing']);
                                }
                                if (($plalign == 'J') AND $dom[$key]['block']) {
                                        $plalign = '';
                                }
                                // get current position on page buffer
                                $curpos = $this->pagelen[$startlinepage];
                                if (isset($dom[$key]['bgcolor']) AND ($dom[$key]['bgcolor'] !== false)) {
                                        $this->SetFillColorArray($dom[$key]['bgcolor']);
                                        $wfill = true;
                                } else {
                                        $wfill = $fill | false;
                                }
                                if (isset($dom[$key]['fgcolor']) AND ($dom[$key]['fgcolor'] !== false)) {
                                        $this->SetTextColorArray($dom[$key]['fgcolor']);
                                }
                                if (isset($dom[$key]['strokecolor']) AND ($dom[$key]['strokecolor'] !== false)) {
                                        $this->SetDrawColorArray($dom[$key]['strokecolor']);
                                }
                                if (isset($dom[$key]['align'])) {
                                        $lalign = $dom[$key]['align'];
                                }
                                if (TCPDF_STATIC::empty_string($lalign)) {
                                        $lalign = $align;
                                }
                        }
                        // align lines
                        if ($this->newline AND (strlen($dom[$key]['value']) > 0) AND ($dom[$key]['value'] != 'td') AND ($dom[$key]['value'] != 'th')) {
                                $newline = true;
                                $fontaligned = false;
                                // we are at the beginning of a new line
                                if (isset($startlinex)) {
                                        $yshift = ($minstartliney - $startliney);
                                        if (($yshift > 0) OR ($this->page > $startlinepage)) {
                                                $yshift = 0;
                                        }
                                        $t_x = 0;
                                        // the last line must be shifted to be aligned as requested
                                        $linew = abs($this->endlinex - $startlinex);
                                        if ($this->inxobj) {
                                                // we are inside an XObject template
                                                $pstart = substr($this->xobjects[$this->xobjid]['outdata'], 0, $startlinepos);
                                                if (isset($opentagpos)) {
                                                        $midpos = $opentagpos;
                                                } else {
                                                        $midpos = 0;
                                                }
                                                if ($midpos > 0) {
                                                        $pmid = substr($this->xobjects[$this->xobjid]['outdata'], $startlinepos, ($midpos - $startlinepos));
                                                        $pend = substr($this->xobjects[$this->xobjid]['outdata'], $midpos);
                                                } else {
                                                        $pmid = substr($this->xobjects[$this->xobjid]['outdata'], $startlinepos);
                                                        $pend = '';
                                                }
                                        } else {
                                                $pstart = substr($this->getPageBuffer($startlinepage), 0, $startlinepos);
                                                if (isset($opentagpos) AND isset($this->footerlen[$startlinepage]) AND (!$this->InFooter)) {
                                                        $this->footerpos[$startlinepage] = $this->pagelen[$startlinepage] - $this->footerlen[$startlinepage];
                                                        $midpos = min($opentagpos, $this->footerpos[$startlinepage]);
                                                } elseif (isset($opentagpos)) {
                                                        $midpos = $opentagpos;
                                                } elseif (isset($this->footerlen[$startlinepage]) AND (!$this->InFooter)) {
                                                        $this->footerpos[$startlinepage] = $this->pagelen[$startlinepage] - $this->footerlen[$startlinepage];
                                                        $midpos = $this->footerpos[$startlinepage];
                                                } else {
                                                        $midpos = 0;
                                                }
                                                if ($midpos > 0) {
                                                        $pmid = substr($this->getPageBuffer($startlinepage), $startlinepos, ($midpos - $startlinepos));
                                                        $pend = substr($this->getPageBuffer($startlinepage), $midpos);
                                                } else {
                                                        $pmid = substr($this->getPageBuffer($startlinepage), $startlinepos);
                                                        $pend = '';
                                                }
                                        }
                                        if ((isset($plalign) AND ((($plalign == 'C') OR ($plalign == 'J') OR (($plalign == 'R') AND (!$this->rtl)) OR (($plalign == 'L') AND ($this->rtl)))))) {
                                                // calculate shifting amount
                                                $tw = $w;
                                                if (($plalign == 'J') AND $this->isRTLTextDir() AND ($this->num_columns > 1)) {
                                                        $tw += $this->cell_padding['R'];
                                                }
                                                if ($this->lMargin != $prevlMargin) {
                                                        $tw += ($prevlMargin - $this->lMargin);
                                                }
                                                if ($this->rMargin != $prevrMargin) {
                                                        $tw += ($prevrMargin - $this->rMargin);
                                                }
                                                $one_space_width = $this->GetStringWidth(chr(32));
                                                $no = 0; // number of spaces on a line contained on a single block
                                                if ($this->isRTLTextDir()) { // RTL
                                                        // remove left space if exist
                                                        $pos1 = TCPDF_STATIC::revstrpos($pmid, '[(');
                                                        if ($pos1 > 0) {
                                                                $pos1 = intval($pos1);
                                                                if ($this->isUnicodeFont()) {
                                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, '[('.chr(0).chr(32)));
                                                                        $spacelen = 2;
                                                                } else {
                                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, '[('.chr(32)));
                                                                        $spacelen = 1;
                                                                }
                                                                if ($pos1 == $pos2) {
                                                                        $pmid = substr($pmid, 0, ($pos1 + 2)).substr($pmid, ($pos1 + 2 + $spacelen));
                                                                        if (substr($pmid, $pos1, 4) == '[()]') {
                                                                                $linew -= $one_space_width;
                                                                        } elseif ($pos1 == strpos($pmid, '[(')) {
                                                                                $no = 1;
                                                                        }
                                                                }
                                                        }
                                                } else { // LTR
                                                        // remove right space if exist
                                                        $pos1 = TCPDF_STATIC::revstrpos($pmid, ')]');
                                                        if ($pos1 > 0) {
                                                                $pos1 = intval($pos1);
                                                                if ($this->isUnicodeFont()) {
                                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, chr(0).chr(32).')]')) + 2;
                                                                        $spacelen = 2;
                                                                } else {
                                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, chr(32).')]')) + 1;
                                                                        $spacelen = 1;
                                                                }
                                                                if ($pos1 == $pos2) {
                                                                        $pmid = substr($pmid, 0, ($pos1 - $spacelen)).substr($pmid, $pos1);
                                                                        $linew -= $one_space_width;
                                                                }
                                                        }
                                                }
                                                $mdiff = ($tw - $linew);
                                                if ($plalign == 'C') {
                                                        if ($this->rtl) {
                                                                $t_x = -($mdiff / 2);
                                                        } else {
                                                                $t_x = ($mdiff / 2);
                                                        }
                                                } elseif ($plalign == 'R') {
                                                        // right alignment on LTR document
                                                        $t_x = $mdiff;
                                                } elseif ($plalign == 'L') {
                                                        // left alignment on RTL document
                                                        $t_x = -$mdiff;
                                                } elseif (($plalign == 'J') AND ($plalign == $lalign)) {
                                                        // Justification
                                                        if ($this->isRTLTextDir()) {
                                                                // align text on the left
                                                                $t_x = -$mdiff;
                                                        }
                                                        $ns = 0; // number of spaces
                                                        $pmidtemp = $pmid;
                                                        // escape special characters
                                                        $pmidtemp = preg_replace('/[\\\][\‍(]/x', '\\#!#OP#!#', $pmidtemp);
                                                        $pmidtemp = preg_replace('/[\\\][\‍)]/x', '\\#!#CP#!#', $pmidtemp);
                                                        // search spaces
                                                        if (preg_match_all('/\[\‍(([^\‍)]*)\‍)\]/x', $pmidtemp, $lnstring, PREG_PATTERN_ORDER)) {
                                                                $spacestr = $this->getSpaceString();
                                                                $maxkk = count($lnstring[1]) - 1;
                                                                for ($kk=0; $kk <= $maxkk; ++$kk) {
                                                                        // restore special characters
                                                                        $lnstring[1][$kk] = str_replace('#!#OP#!#', '(', $lnstring[1][$kk]);
                                                                        $lnstring[1][$kk] = str_replace('#!#CP#!#', ')', $lnstring[1][$kk]);
                                                                        // store number of spaces on the strings
                                                                        $lnstring[2][$kk] = substr_count($lnstring[1][$kk], $spacestr);
                                                                        // count total spaces on line
                                                                        $ns += $lnstring[2][$kk];
                                                                        $lnstring[3][$kk] = $ns;
                                                                }
                                                                if ($ns == 0) {
                                                                        $ns = 1;
                                                                }
                                                                // calculate additional space to add to each existing space
                                                                $spacewidth = ($mdiff / ($ns - $no)) * $this->k;
                                                                if ($this->FontSize <= 0) {
                                                                        $this->FontSize = 1;
                                                                }
                                                                $spacewidthu = -1000 * ($mdiff + (($ns + $no) * $one_space_width)) / $ns / $this->FontSize;
                                                                if ($this->font_spacing != 0) {
                                                                        // fixed spacing mode
                                                                        $osw = -1000 * $this->font_spacing / $this->FontSize;
                                                                        $spacewidthu += $osw;
                                                                }
                                                                $nsmax = $ns;
                                                                $ns = 0;
                                                                reset($lnstring);
                                                                $offset = 0;
                                                                $strcount = 0;
                                                                $prev_epsposbeg = 0;
                                                                $textpos = 0;
                                                                if ($this->isRTLTextDir()) {
                                                                        $textpos = $this->wPt;
                                                                }
                                                                while (preg_match('/([0-9\.\+\-]*)[\s](Td|cm|m|l|c|re)[\s]/x', $pmid, $strpiece, PREG_OFFSET_CAPTURE, $offset) == 1) {
                                                                        // check if we are inside a string section '[( ... )]'
                                                                        $stroffset = strpos($pmid, '[(', $offset);
                                                                        if (($stroffset !== false) AND ($stroffset <= $strpiece[2][1])) {
                                                                                // set offset to the end of string section
                                                                                $offset = strpos($pmid, ')]', $stroffset);
                                                                                while (($offset !== false) AND ($pmid[($offset - 1)] == '\\')) {
                                                                                        $offset = strpos($pmid, ')]', ($offset + 1));
                                                                                }
                                                                                if ($offset === false) {
                                                                                        $this->Error('HTML Justification: malformed PDF code.');
                                                                                }
                                                                                continue;
                                                                        }
                                                                        if ($this->isRTLTextDir()) {
                                                                                $spacew = ($spacewidth * ($nsmax - $ns));
                                                                        } else {
                                                                                $spacew = ($spacewidth * $ns);
                                                                        }
                                                                        $offset = $strpiece[2][1] + strlen($strpiece[2][0]);
                                                                        $epsposend = strpos($pmid, $this->epsmarker.'Q', $offset);                              
                                                                        if ($epsposend !== null) {
                                                                                $epsposend += strlen($this->epsmarker.'Q');
                                                                                $epsposbeg = strpos($pmid, 'q'.$this->epsmarker, $offset);
                                                                                if ($epsposbeg === null) {
                                                                                        $epsposbeg = strpos($pmid, 'q'.$this->epsmarker, ($prev_epsposbeg - 6));
                                                                                        $prev_epsposbeg = $epsposbeg;
                                                                                }
                                                                                if (($epsposbeg > 0) AND ($epsposend > 0) AND ($offset > $epsposbeg) AND ($offset < $epsposend)) {
                                                                                        // shift EPS images
                                                                                        $trx = sprintf('1 0 0 1 %F 0 cm', $spacew);
                                                                                        $pmid_b = substr($pmid, 0, $epsposbeg);
                                                                                        $pmid_m = substr($pmid, $epsposbeg, ($epsposend - $epsposbeg));
                                                                                        $pmid_e = substr($pmid, $epsposend);
                                                                                        $pmid = $pmid_b."\nq\n".$trx."\n".$pmid_m."\nQ\n".$pmid_e;
                                                                                        $offset = $epsposend;
                                                                                        continue;
                                                                                }
                                                                        }
                                                                        $currentxpos = 0;
                                                                        // shift blocks of code
                                                                        switch ($strpiece[2][0]) {
                                                                                case 'Td':
                                                                                case 'cm':
                                                                                case 'm':
                                                                                case 'l': {
                                                                                        // get current X position
                                                                                        preg_match('/([0-9\.\+\-]*)[\s]('.$strpiece[1][0].')[\s]('.$strpiece[2][0].')([\s]*)/x', $pmid, $xmatches);
                                                                                        if (!isset($xmatches[1])) {
                                                                                                break;
                                                                                        }
                                                                                        $currentxpos = $xmatches[1];
                                                                                        $textpos = $currentxpos;
                                                                                        if (($strcount <= $maxkk) AND ($strpiece[2][0] == 'Td')) {
                                                                                                $ns = $lnstring[3][$strcount];
                                                                                                if ($this->isRTLTextDir()) {
                                                                                                        $spacew = ($spacewidth * ($nsmax - $ns));
                                                                                                }
                                                                                                ++$strcount;
                                                                                        }
                                                                                        // justify block
                                                                                        if (preg_match('/([0-9\.\+\-]*)[\s]('.$strpiece[1][0].')[\s]('.$strpiece[2][0].')([\s]*)/x', $pmid, $pmatch) == 1) {
                                                                                                $newpmid = sprintf('%F',(floatval($pmatch[1]) + $spacew)).' '.$pmatch[2].' x*#!#*x'.$pmatch[3].$pmatch[4];
                                                                                                $pmid = str_replace($pmatch[0], $newpmid, $pmid);
                                                                                                unset($pmatch, $newpmid);
                                                                                        }
                                                                                        break;
                                                                                }
                                                                                case 're': {
                                                                                        // justify block
                                                                                        if (!TCPDF_STATIC::empty_string($this->lispacer)) {
                                                                                                $this->lispacer = '';
                                                                                                continue;
                                                                                        }
                                                                                        preg_match('/([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]('.$strpiece[1][0].')[\s](re)([\s]*)/x', $pmid, $xmatches);
                                                                                        if (!isset($xmatches[1])) {
                                                                                                break;
                                                                                        }
                                                                                        $currentxpos = $xmatches[1];
                                                                                        $x_diff = 0;
                                                                                        $w_diff = 0;
                                                                                        if ($this->isRTLTextDir()) { // RTL
                                                                                                if ($currentxpos < $textpos) {
                                                                                                        $x_diff = ($spacewidth * ($nsmax - $lnstring[3][$strcount]));
                                                                                                        $w_diff = ($spacewidth * $lnstring[2][$strcount]);
                                                                                                } else {
                                                                                                        if ($strcount > 0) {
                                                                                                                $x_diff = ($spacewidth * ($nsmax - $lnstring[3][($strcount - 1)]));
                                                                                                                $w_diff = ($spacewidth * $lnstring[2][($strcount - 1)]);
                                                                                                        }
                                                                                                }
                                                                                        } else { // LTR
                                                                                                if ($currentxpos > $textpos) {
                                                                                                        if ($strcount > 0) {
                                                                                                                $x_diff = ($spacewidth * $lnstring[3][($strcount - 1)]);
                                                                                                        }
                                                                                                        $w_diff = ($spacewidth * $lnstring[2][$strcount]);
                                                                                                } else {
                                                                                                        if ($strcount > 1) {
                                                                                                                $x_diff = ($spacewidth * $lnstring[3][($strcount - 2)]);
                                                                                                        }
                                                                                                        if ($strcount > 0) {
                                                                                                                $w_diff = ($spacewidth * $lnstring[2][($strcount - 1)]);
                                                                                                        }
                                                                                                }
                                                                                        }
                                                                                        if (preg_match('/('.$xmatches[1].')[\s]('.$xmatches[2].')[\s]('.$xmatches[3].')[\s]('.$strpiece[1][0].')[\s](re)([\s]*)/x', $pmid, $pmatch) == 1) {
                                                                                                $newx = sprintf('%F',(floatval($pmatch[1]) + $x_diff));
                                                                                                $neww = sprintf('%F',(floatval($pmatch[3]) + $w_diff));
                                                                                                $newpmid = $newx.' '.$pmatch[2].' '.$neww.' '.$pmatch[4].' x*#!#*x'.$pmatch[5].$pmatch[6];
                                                                                                $pmid = str_replace($pmatch[0], $newpmid, $pmid);
                                                                                                unset($pmatch, $newpmid, $newx, $neww);
                                                                                        }
                                                                                        break;
                                                                                }
                                                                                case 'c': {
                                                                                        // get current X position
                                                                                        preg_match('/([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]([0-9\.\+\-]*)[\s]('.$strpiece[1][0].')[\s](c)([\s]*)/x', $pmid, $xmatches);
                                                                                        if (!isset($xmatches[1])) {
                                                                                                break;
                                                                                        }
                                                                                        $currentxpos = $xmatches[1];
                                                                                        // justify block
                                                                                        if (preg_match('/('.$xmatches[1].')[\s]('.$xmatches[2].')[\s]('.$xmatches[3].')[\s]('.$xmatches[4].')[\s]('.$xmatches[5].')[\s]('.$strpiece[1][0].')[\s](c)([\s]*)/x', $pmid, $pmatch) == 1) {
                                                                                                $newx1 = sprintf('%F',(floatval($pmatch[1]) + $spacew));
                                                                                                $newx2 = sprintf('%F',(floatval($pmatch[3]) + $spacew));
                                                                                                $newx3 = sprintf('%F',(floatval($pmatch[5]) + $spacew));
                                                                                                $newpmid = $newx1.' '.$pmatch[2].' '.$newx2.' '.$pmatch[4].' '.$newx3.' '.$pmatch[6].' x*#!#*x'.$pmatch[7].$pmatch[8];
                                                                                                $pmid = str_replace($pmatch[0], $newpmid, $pmid);
                                                                                                unset($pmatch, $newpmid, $newx1, $newx2, $newx3);
                                                                                        }
                                                                                        break;
                                                                                }
                                                                        }
                                                                        // shift the annotations and links
                                                                        $cxpos = ($currentxpos / $this->k);
                                                                        $lmpos = ($this->lMargin + $this->cell_padding['L'] + $this->feps);
                                                                        if ($this->inxobj) {
                                                                                // we are inside an XObject template
                                                                                foreach ($this->xobjects[$this->xobjid]['annotations'] as $pak => $pac) {
                                                                                        if (($pac['y'] >= $minstartliney) AND (($pac['x'] * $this->k) >= ($currentxpos - $this->feps)) AND (($pac['x'] * $this->k) <= ($currentxpos + $this->feps))) {
                                                                                                if ($cxpos > $lmpos) {
                                                                                                        $this->xobjects[$this->xobjid]['annotations'][$pak]['x'] += ($spacew / $this->k);
                                                                                                        $this->xobjects[$this->xobjid]['annotations'][$pak]['w'] += (($spacewidth * $pac['numspaces']) / $this->k);
                                                                                                } else {
                                                                                                        $this->xobjects[$this->xobjid]['annotations'][$pak]['w'] += (($spacewidth * $pac['numspaces']) / $this->k);
                                                                                                }
                                                                                                break;
                                                                                        }
                                                                                }
                                                                        } elseif (isset($this->PageAnnots[$this->page])) {
                                                                                foreach ($this->PageAnnots[$this->page] as $pak => $pac) {
                                                                                        if (($pac['y'] >= $minstartliney) AND (($pac['x'] * $this->k) >= ($currentxpos - $this->feps)) AND (($pac['x'] * $this->k) <= ($currentxpos + $this->feps))) {
                                                                                                if ($cxpos > $lmpos) {
                                                                                                        $this->PageAnnots[$this->page][$pak]['x'] += ($spacew / $this->k);
                                                                                                        $this->PageAnnots[$this->page][$pak]['w'] += (($spacewidth * $pac['numspaces']) / $this->k);
                                                                                                } else {
                                                                                                        $this->PageAnnots[$this->page][$pak]['w'] += (($spacewidth * $pac['numspaces']) / $this->k);
                                                                                                }
                                                                                                break;
                                                                                        }
                                                                                }
                                                                        }
                                                                } // end of while
                                                                // remove markers
                                                                $pmid = str_replace('x*#!#*x', '', $pmid);
                                                                if ($this->isUnicodeFont()) {
                                                                        // multibyte characters
                                                                        $spacew = $spacewidthu;
                                                                        if ($this->font_stretching != 100) {
                                                                                // word spacing is affected by stretching
                                                                                $spacew /= ($this->font_stretching / 100);
                                                                        }
                                                                        // escape special characters
                                                                        $pos = 0;
                                                                        $pmid = preg_replace('/[\\\][\‍(]/x', '\\#!#OP#!#', $pmid);
                                                                        $pmid = preg_replace('/[\\\][\‍)]/x', '\\#!#CP#!#', $pmid);
                                                                        if (preg_match_all('/\[\‍(([^\‍)]*)\‍)\]/x', $pmid, $pamatch) > 0) {
                                                                                foreach($pamatch[0] as $pk => $pmatch) {
                                                                                        $replace = $pamatch[1][$pk];
                                                                                        $replace = str_replace('#!#OP#!#', '(', $replace);
                                                                                        $replace = str_replace('#!#CP#!#', ')', $replace);
                                                                                        $newpmid = '[('.str_replace(chr(0).chr(32), ') '.sprintf('%F', $spacew).' (', $replace).')]';
                                                                                        $pos = strpos($pmid, $pmatch, $pos);
                                                                                        if ($pos !== FALSE) {
                                                                                                $pmid = substr_replace($pmid, $newpmid, $pos, strlen($pmatch));
                                                                                        }
                                                                                        ++$pos;
                                                                                }
                                                                                unset($pamatch);
                                                                        }
                                                                        if ($this->inxobj) {
                                                                                // we are inside an XObject template
                                                                                $this->xobjects[$this->xobjid]['outdata'] = $pstart."\n".$pmid."\n".$pend;
                                                                        } else {
                                                                                $this->setPageBuffer($startlinepage, $pstart."\n".$pmid."\n".$pend);
                                                                        }
                                                                        $endlinepos = strlen($pstart."\n".$pmid."\n");
                                                                } else {
                                                                        // non-unicode (single-byte characters)
                                                                        if ($this->font_stretching != 100) {
                                                                                // word spacing (Tw) is affected by stretching
                                                                                $spacewidth /= ($this->font_stretching / 100);
                                                                        }
                                                                        $rs = sprintf('%F Tw', $spacewidth);
                                                                        $pmid = preg_replace("/\[\‍(/x", $rs.' [(', $pmid);
                                                                        if ($this->inxobj) {
                                                                                // we are inside an XObject template
                                                                                $this->xobjects[$this->xobjid]['outdata'] = $pstart."\n".$pmid."\nBT 0 Tw ET\n".$pend;
                                                                        } else {
                                                                                $this->setPageBuffer($startlinepage, $pstart."\n".$pmid."\nBT 0 Tw ET\n".$pend);
                                                                        }
                                                                        $endlinepos = strlen($pstart."\n".$pmid."\nBT 0 Tw ET\n");
                                                                }
                                                        }
                                                } // end of J
                                        } // end if $startlinex
                                        if (($t_x != 0) OR ($yshift < 0)) {
                                                // shift the line
                                                $trx = sprintf('1 0 0 1 %F %F cm', ($t_x * $this->k), ($yshift * $this->k));
                                                $pstart .= "\nq\n".$trx."\n".$pmid."\nQ\n";
                                                $endlinepos = strlen($pstart);
                                                if ($this->inxobj) {
                                                        // we are inside an XObject template
                                                        $this->xobjects[$this->xobjid]['outdata'] = $pstart.$pend;
                                                        foreach ($this->xobjects[$this->xobjid]['annotations'] as $pak => $pac) {
                                                                if ($pak >= $pask) {
                                                                        $this->xobjects[$this->xobjid]['annotations'][$pak]['x'] += $t_x;
                                                                        $this->xobjects[$this->xobjid]['annotations'][$pak]['y'] -= $yshift;
                                                                }
                                                        }
                                                } else {
                                                        $this->setPageBuffer($startlinepage, $pstart.$pend);
                                                        // shift the annotations and links
                                                        if (isset($this->PageAnnots[$this->page])) {
                                                                foreach ($this->PageAnnots[$this->page] as $pak => $pac) {
                                                                        if ($pak >= $pask) {
                                                                                $this->PageAnnots[$this->page][$pak]['x'] += $t_x;
                                                                                $this->PageAnnots[$this->page][$pak]['y'] -= $yshift;
                                                                        }
                                                                }
                                                        }
                                                }
                                                $this->y -= $yshift;
                                        }
                                }
                                $pbrk = $this->checkPageBreak($this->lasth);
                                $this->newline = false;
                                $startlinex = $this->x;
                                $startliney = $this->y;
                                if ($dom[$dom[$key]['parent']]['value'] == 'sup') {
                                        $startliney -= ((0.3 * $this->FontSizePt) / $this->k);
                                } elseif ($dom[$dom[$key]['parent']]['value'] == 'sub') {
                                        $startliney -= (($this->FontSizePt / 0.7) / $this->k);
                                } else {
                                        $minstartliney = $startliney;
                                        $maxbottomliney = ($this->y + $this->getCellHeight($fontsize / $this->k));
                                }
                                $startlinepage = $this->page;
                                if (isset($endlinepos) AND (!$pbrk)) {
                                        $startlinepos = $endlinepos;
                                } else {
                                        if ($this->inxobj) {
                                                // we are inside an XObject template
                                                $startlinepos = strlen($this->xobjects[$this->xobjid]['outdata']);
                                        } elseif (!$this->InFooter) {
                                                if (isset($this->footerlen[$this->page])) {
                                                        $this->footerpos[$this->page] = $this->pagelen[$this->page] - $this->footerlen[$this->page];
                                                } else {
                                                        $this->footerpos[$this->page] = $this->pagelen[$this->page];
                                                }
                                                $startlinepos = $this->footerpos[$this->page];
                                        } else {
                                                $startlinepos = $this->pagelen[$this->page];
                                        }
                                }
                                unset($endlinepos);
                                $plalign = $lalign;
                                if (isset($this->PageAnnots[$this->page])) {
                                        $pask = count($this->PageAnnots[$this->page]);
                                } else {
                                        $pask = 0;
                                }
                                if (!($dom[$key]['tag'] AND !$dom[$key]['opening'] AND ($dom[$key]['value'] == 'table')
                                        AND (isset($this->emptypagemrk[$this->page]))
                                        AND ($this->emptypagemrk[$this->page] == $this->pagelen[$this->page]))) {
                                        $this->SetFont($fontname, $fontstyle, $fontsize);
                                        if ($wfill) {
                                                $this->SetFillColorArray($this->bgcolor);
                                        }
                                }
                        } // end newline
                        if (isset($opentagpos)) {
                                unset($opentagpos);
                        }
                        if ($dom[$key]['tag']) {
                                if ($dom[$key]['opening']) {
                                        // get text indentation (if any)
                                        if (isset($dom[$key]['text-indent']) AND $dom[$key]['block']) {
                                                $this->textindent = $dom[$key]['text-indent'];
                                                $this->newline = true;
                                        }
                                        // table
                                        if (($dom[$key]['value'] == 'table') AND isset($dom[$key]['cols']) AND ($dom[$key]['cols'] > 0)) {
                                                // available page width
                                                if ($this->rtl) {
                                                        $wtmp = $this->x - $this->lMargin;
                                                } else {
                                                        $wtmp = $this->w - $this->rMargin - $this->x;
                                                }
                                                // get cell spacing
                                                if (isset($dom[$key]['attribute']['cellspacing'])) {
                                                        $clsp = $this->getHTMLUnitToUnits($dom[$key]['attribute']['cellspacing'], 1, 'px');
                                                        $cellspacing = array('H' => $clsp, 'V' => $clsp);
                                                } elseif (isset($dom[$key]['border-spacing'])) {
                                                        $cellspacing = $dom[$key]['border-spacing'];
                                                } else {
                                                        $cellspacing = array('H' => 0, 'V' => 0);
                                                }
                                                // table width
                                                if (isset($dom[$key]['width'])) {
                                                        $table_width = $this->getHTMLUnitToUnits($dom[$key]['width'], $wtmp, 'px');
                                                } else {
                                                        $table_width = $wtmp;
                                                }
                                                $table_width -= (2 * $cellspacing['H']);
                                                if (!$this->inthead) {
                                                        $this->y += $cellspacing['V'];
                                                }
                                                if ($this->rtl) {
                                                        $cellspacingx = -$cellspacing['H'];
                                                } else {
                                                        $cellspacingx = $cellspacing['H'];
                                                }
                                                // total table width without cellspaces
                                                $table_columns_width = ($table_width - ($cellspacing['H'] * ($dom[$key]['cols'] - 1)));
                                                // minimum column width
                                                $table_min_column_width = ($table_columns_width / $dom[$key]['cols']);
                                                // array of custom column widths
                                                $table_colwidths = array_fill(0, $dom[$key]['cols'], $table_min_column_width);
                                        }
                                        // table row
                                        if ($dom[$key]['value'] == 'tr') {
                                                // reset column counter
                                                $colid = 0;
                                        }
                                        // table cell
                                        if (($dom[$key]['value'] == 'td') OR ($dom[$key]['value'] == 'th')) {
                                                $trid = $dom[$key]['parent'];
                                                $table_el = $dom[$trid]['parent'];
                                                if (!isset($dom[$table_el]['cols'])) {
                                                        $dom[$table_el]['cols'] = $dom[$trid]['cols'];
                                                }
                                                // store border info
                                                $tdborder = 0;
                                                if (isset($dom[$key]['border']) AND !empty($dom[$key]['border'])) {
                                                        $tdborder = $dom[$key]['border'];
                                                }
                                                $colspan = intval($dom[$key]['attribute']['colspan']);
                                                if ($colspan <= 0) {
                                                        $colspan = 1;
                                                }
                                                $old_cell_padding = $this->cell_padding;
                                                if (isset($dom[($dom[$trid]['parent'])]['attribute']['cellpadding'])) {
                                                        $crclpd = $this->getHTMLUnitToUnits($dom[($dom[$trid]['parent'])]['attribute']['cellpadding'], 1, 'px');
                                                        $current_cell_padding = array('L' => $crclpd, 'T' => $crclpd, 'R' => $crclpd, 'B' => $crclpd);
                                                } elseif (isset($dom[($dom[$trid]['parent'])]['padding'])) {
                                                        $current_cell_padding = $dom[($dom[$trid]['parent'])]['padding'];
                                                } else {
                                                        $current_cell_padding = array('L' => 0, 'T' => 0, 'R' => 0, 'B' => 0);
                                                }
                                                $this->cell_padding = $current_cell_padding;
                                                if (isset($dom[$key]['height'])) {
                                                        // minimum cell height
                                                        $cellh = $this->getHTMLUnitToUnits($dom[$key]['height'], 0, 'px');
                                                } else {
                                                        $cellh = 0;
                                                }
                                                if (isset($dom[$key]['content'])) {
                                                        $cell_content = $dom[$key]['content'];
                                                } else {
                                                        $cell_content = '&nbsp;';
                                                }
                                                $tagtype = $dom[$key]['value'];
                                                $parentid = $key;
                                                while (($key < $maxel) AND (!(($dom[$key]['tag']) AND (!$dom[$key]['opening']) AND ($dom[$key]['value'] == $tagtype) AND ($dom[$key]['parent'] == $parentid)))) {
                                                        // move $key index forward
                                                        ++$key;
                                                }
                                                if (!isset($dom[$trid]['startpage'])) {
                                                        $dom[$trid]['startpage'] = $this->page;
                                                } else {
                                                        $this->setPage($dom[$trid]['startpage']);
                                                }
                                                if (!isset($dom[$trid]['startcolumn'])) {
                                                        $dom[$trid]['startcolumn'] = $this->current_column;
                                                } elseif ($this->current_column != $dom[$trid]['startcolumn']) {
                                                        $tmpx = $this->x;
                                                        $this->selectColumn($dom[$trid]['startcolumn']);
                                                        $this->x = $tmpx;
                                                }
                                                if (!isset($dom[$trid]['starty'])) {
                                                        $dom[$trid]['starty'] = $this->y;
                                                } else {
                                                        $this->y = $dom[$trid]['starty'];
                                                }
                                                if (!isset($dom[$trid]['startx'])) {
                                                        $dom[$trid]['startx'] = $this->x;
                                                        $this->x += $cellspacingx;
                                                } else {
                                                        $this->x += ($cellspacingx / 2);
                                                }
                                                if (isset($dom[$parentid]['attribute']['rowspan'])) {
                                                        $rowspan = intval($dom[$parentid]['attribute']['rowspan']);
                                                } else {
                                                        $rowspan = 1;
                                                }
                                                // skip row-spanned cells started on the previous rows
                                                if (isset($dom[$table_el]['rowspans'])) {
                                                        $rsk = 0;
                                                        $rskmax = count($dom[$table_el]['rowspans']);
                                                        while ($rsk < $rskmax) {
                                                                $trwsp = $dom[$table_el]['rowspans'][$rsk];
                                                                $rsstartx = $trwsp['startx'];
                                                                $rsendx = $trwsp['endx'];
                                                                // account for margin changes
                                                                if ($trwsp['startpage'] < $this->page) {
                                                                        if (($this->rtl) AND ($this->pagedim[$this->page]['orm'] != $this->pagedim[$trwsp['startpage']]['orm'])) {
                                                                                $dl = ($this->pagedim[$this->page]['orm'] - $this->pagedim[$trwsp['startpage']]['orm']);
                                                                                $rsstartx -= $dl;
                                                                                $rsendx -= $dl;
                                                                        } elseif ((!$this->rtl) AND ($this->pagedim[$this->page]['olm'] != $this->pagedim[$trwsp['startpage']]['olm'])) {
                                                                                $dl = ($this->pagedim[$this->page]['olm'] - $this->pagedim[$trwsp['startpage']]['olm']);
                                                                                $rsstartx += $dl;
                                                                                $rsendx += $dl;
                                                                        }
                                                                }
                                                                if (($trwsp['rowspan'] > 0)
                                                                        AND ($rsstartx > ($this->x - $cellspacing['H'] - $current_cell_padding['L'] - $this->feps))
                                                                        AND ($rsstartx < ($this->x + $cellspacing['H'] + $current_cell_padding['R'] + $this->feps))
                                                                        AND (($trwsp['starty'] < ($this->y - $this->feps)) OR ($trwsp['startpage'] < $this->page) OR ($trwsp['startcolumn'] < $this->current_column))) {
                                                                        // set the starting X position of the current cell
                                                                        $this->x = $rsendx + $cellspacingx;
                                                                        // increment column indicator
                                                                        $colid += $trwsp['colspan'];
                                                                        if (($trwsp['rowspan'] == 1)
                                                                                AND (isset($dom[$trid]['endy']))
                                                                                AND (isset($dom[$trid]['endpage']))
                                                                                AND (isset($dom[$trid]['endcolumn']))
                                                                                AND ($trwsp['endpage'] == $dom[$trid]['endpage'])
                                                                                AND ($trwsp['endcolumn'] == $dom[$trid]['endcolumn'])) {
                                                                                // set ending Y position for row
                                                                                $dom[$table_el]['rowspans'][$rsk]['endy'] = max($dom[$trid]['endy'], $trwsp['endy']);
                                                                                $dom[$trid]['endy'] = $dom[$table_el]['rowspans'][$rsk]['endy'];
                                                                        }
                                                                        $rsk = 0;
                                                                } else {
                                                                        ++$rsk;
                                                                }
                                                        }
                                                }
                                                if (isset($dom[$parentid]['width'])) {
                                                        // user specified width
                                                        $cellw = $this->getHTMLUnitToUnits($dom[$parentid]['width'], $table_columns_width, 'px');
                                                        $tmpcw = ($cellw / $colspan);
                                                        for ($i = 0; $i < $colspan; ++$i) {
                                                                $table_colwidths[($colid + $i)] = $tmpcw;
                                                        }
                                                } else {
                                                        // inherit column width
                                                        $cellw = 0;
                                                        for ($i = 0; $i < $colspan; ++$i) {
                                                                $cellw += (isset($table_colwidths[($colid + $i)]) ? $table_colwidths[($colid + $i)] : 0);
                                                        }
                                                }
                                                $cellw += (($colspan - 1) * $cellspacing['H']);
                                                // increment column indicator
                                                $colid += $colspan;
                                                // add rowspan information to table element
                                                if ($rowspan > 1) {
                                                        $trsid = array_push($dom[$table_el]['rowspans'], array('trid' => $trid, 'rowspan' => $rowspan, 'mrowspan' => $rowspan, 'colspan' => $colspan, 'startpage' => $this->page, 'startcolumn' => $this->current_column, 'startx' => $this->x, 'starty' => $this->y));
                                                }
                                                $cellid = array_push($dom[$trid]['cellpos'], array('startx' => $this->x));
                                                if ($rowspan > 1) {
                                                        $dom[$trid]['cellpos'][($cellid - 1)]['rowspanid'] = ($trsid - 1);
                                                }
                                                // push background colors
                                                if (isset($dom[$parentid]['bgcolor']) AND ($dom[$parentid]['bgcolor'] !== false)) {
                                                        $dom[$trid]['cellpos'][($cellid - 1)]['bgcolor'] = $dom[$parentid]['bgcolor'];
                                                }
                                                // store border info
                                                if (isset($tdborder) AND !empty($tdborder)) {
                                                        $dom[$trid]['cellpos'][($cellid - 1)]['border'] = $tdborder;
                                                }
                                                $prevLastH = $this->lasth;
                                                // store some info for multicolumn mode
                                                if ($this->rtl) {
                                                        $this->colxshift['x'] = $this->w - $this->x - $this->rMargin;
                                                } else {
                                                        $this->colxshift['x'] = $this->x - $this->lMargin;
                                                }
                                                $this->colxshift['s'] = $cellspacing;
                                                $this->colxshift['p'] = $current_cell_padding;
                                                // ****** write the cell content ******
                                                $this->MultiCell($cellw, $cellh, $cell_content, false, $lalign, false, 2, '', '', true, 0, true, true, 0, 'T', false);
                                                // restore some values
                                                $this->colxshift = array('x' => 0, 's' => array('H' => 0, 'V' => 0), 'p' => array('L' => 0, 'T' => 0, 'R' => 0, 'B' => 0));
                                                $this->lasth = $prevLastH;
                                                $this->cell_padding = $old_cell_padding;
                                                $dom[$trid]['cellpos'][($cellid - 1)]['endx'] = $this->x;
                                                // update the end of row position
                                                if ($rowspan <= 1) {
                                                        if (isset($dom[$trid]['endy'])) {
                                                                if (($this->page == $dom[$trid]['endpage']) AND ($this->current_column == $dom[$trid]['endcolumn'])) {
                                                                        $dom[$trid]['endy'] = max($this->y, $dom[$trid]['endy']);
                                                                } elseif (($this->page > $dom[$trid]['endpage']) OR ($this->current_column > $dom[$trid]['endcolumn'])) {
                                                                        $dom[$trid]['endy'] = $this->y;
                                                                }
                                                        } else {
                                                                $dom[$trid]['endy'] = $this->y;
                                                        }
                                                        if (isset($dom[$trid]['endpage'])) {
                                                                $dom[$trid]['endpage'] = max($this->page, $dom[$trid]['endpage']);
                                                        } else {
                                                                $dom[$trid]['endpage'] = $this->page;
                                                        }
                                                        if (isset($dom[$trid]['endcolumn'])) {
                                                                $dom[$trid]['endcolumn'] = max($this->current_column, $dom[$trid]['endcolumn']);
                                                        } else {
                                                                $dom[$trid]['endcolumn'] = $this->current_column;
                                                        }
                                                } else {
                                                        // account for row-spanned cells
                                                        $dom[$table_el]['rowspans'][($trsid - 1)]['endx'] = $this->x;
                                                        $dom[$table_el]['rowspans'][($trsid - 1)]['endy'] = $this->y;
                                                        $dom[$table_el]['rowspans'][($trsid - 1)]['endpage'] = $this->page;
                                                        $dom[$table_el]['rowspans'][($trsid - 1)]['endcolumn'] = $this->current_column;
                                                }
                                                if (isset($dom[$table_el]['rowspans'])) {
                                                        // update endy and endpage on rowspanned cells
                                                        foreach ($dom[$table_el]['rowspans'] as $k => $trwsp) {
                                                                if ($trwsp['rowspan'] > 0) {
                                                                        if (isset($dom[$trid]['endpage'])) {
                                                                                if (($trwsp['endpage'] == $dom[$trid]['endpage']) AND ($trwsp['endcolumn'] == $dom[$trid]['endcolumn'])) {
                                                                                        $dom[$table_el]['rowspans'][$k]['endy'] = max($dom[$trid]['endy'], $trwsp['endy']);
                                                                                } elseif (($trwsp['endpage'] < $dom[$trid]['endpage']) OR ($trwsp['endcolumn'] < $dom[$trid]['endcolumn'])) {
                                                                                        $dom[$table_el]['rowspans'][$k]['endy'] = $dom[$trid]['endy'];
                                                                                        $dom[$table_el]['rowspans'][$k]['endpage'] = $dom[$trid]['endpage'];
                                                                                        $dom[$table_el]['rowspans'][$k]['endcolumn'] = $dom[$trid]['endcolumn'];
                                                                                } else {
                                                                                        $dom[$trid]['endy'] = $this->pagedim[$dom[$trid]['endpage']]['hk'] - $this->pagedim[$dom[$trid]['endpage']]['bm'];
                                                                                }
                                                                        }
                                                                }
                                                        }
                                                }
                                                $this->x += ($cellspacingx / 2);
                                        } else {
                                                // opening tag (or self-closing tag)
                                                if (!isset($opentagpos)) {
                                                        if ($this->inxobj) {
                                                                // we are inside an XObject template
                                                                $opentagpos = strlen($this->xobjects[$this->xobjid]['outdata']);
                                                        } elseif (!$this->InFooter) {
                                                                if (isset($this->footerlen[$this->page])) {
                                                                        $this->footerpos[$this->page] = $this->pagelen[$this->page] - $this->footerlen[$this->page];
                                                                } else {
                                                                        $this->footerpos[$this->page] = $this->pagelen[$this->page];
                                                                }
                                                                $opentagpos = $this->footerpos[$this->page];
                                                        }
                                                }
                                                $dom = $this->openHTMLTagHandler($dom, $key, $cell);
                                        }
                                } else { // closing tag
                                        $prev_numpages = $this->numpages;
                                        $old_bordermrk = $this->bordermrk[$this->page];
                                        $dom = $this->closeHTMLTagHandler($dom, $key, $cell, $maxbottomliney);
                                        if ($this->bordermrk[$this->page] > $old_bordermrk) {
                                                $startlinepos += ($this->bordermrk[$this->page] - $old_bordermrk);
                                        }
                                        if ($prev_numpages > $this->numpages) {
                                                $startlinepage = $this->page;
                                        }
                                }
                        } elseif (strlen($dom[$key]['value']) > 0) {
                                // print list-item
                                if (!TCPDF_STATIC::empty_string($this->lispacer) AND ($this->lispacer != '^')) {
                                        $this->SetFont($pfontname, $pfontstyle, $pfontsize);
                                        $this->resetLastH();
                                        $minstartliney = $this->y;
                                        $maxbottomliney = ($startliney + $this->getCellHeight($this->FontSize));
                                        if (is_numeric($pfontsize) AND ($pfontsize > 0)) {
                                                $this->putHtmlListBullet($this->listnum, $this->lispacer, $pfontsize);
                                        }
                                        $this->SetFont($curfontname, $curfontstyle, $curfontsize);
                                        $this->resetLastH();
                                        if (is_numeric($pfontsize) AND ($pfontsize > 0) AND is_numeric($curfontsize) AND ($curfontsize > 0) AND ($pfontsize != $curfontsize)) {
                                                $pfontascent = $this->getFontAscent($pfontname, $pfontstyle, $pfontsize);
                                                $pfontdescent = $this->getFontDescent($pfontname, $pfontstyle, $pfontsize);
                                                $this->y += ($this->getCellHeight(($pfontsize - $curfontsize) / $this->k) + $pfontascent - $curfontascent - $pfontdescent + $curfontdescent) / 2;
                                                $minstartliney = min($this->y, $minstartliney);
                                                $maxbottomliney = max(($this->y + $this->getCellHeight($pfontsize / $this->k)), $maxbottomliney);
                                        }
                                }
                                // text
                                $this->htmlvspace = 0;
                                if ((!$this->premode) AND $this->isRTLTextDir()) {
                                        // reverse spaces order
                                        $lsp = ''; // left spaces
                                        $rsp = ''; // right spaces
                                        if (preg_match('/^('.$this->re_space['p'].'+)/'.$this->re_space['m'], $dom[$key]['value'], $matches)) {
                                                $lsp = $matches[1];
                                        }
                                        if (preg_match('/('.$this->re_space['p'].'+)$/'.$this->re_space['m'], $dom[$key]['value'], $matches)) {
                                                $rsp = $matches[1];
                                        }
                                        $dom[$key]['value'] = $rsp.$this->stringTrim($dom[$key]['value']).$lsp;
                                }
                                if ($newline) {
                                        if (!$this->premode) {
                                                $prelen = strlen($dom[$key]['value']);
                                                if ($this->isRTLTextDir()) {
                                                        // right trim except non-breaking space
                                                        $dom[$key]['value'] = $this->stringRightTrim($dom[$key]['value']);
                                                } else {
                                                        // left trim except non-breaking space
                                                        $dom[$key]['value'] = $this->stringLeftTrim($dom[$key]['value']);
                                                }
                                                $postlen = strlen($dom[$key]['value']);
                                                if (($postlen == 0) AND ($prelen > 0)) {
                                                        $dom[$key]['trimmed_space'] = true;
                                                }
                                        }
                                        $newline = false;
                                        $firstblock = true;
                                } else {
                                        $firstblock = false;
                                        // replace empty multiple spaces string with a single space
                                        $dom[$key]['value'] = preg_replace('/^'.$this->re_space['p'].'+$/'.$this->re_space['m'], chr(32), $dom[$key]['value']);
                                }
                                $strrest = '';
                                if ($this->rtl) {
                                        $this->x -= $this->textindent;
                                } else {
                                        $this->x += $this->textindent;
                                }
                                if (!isset($dom[$key]['trimmed_space']) OR !$dom[$key]['trimmed_space']) {
                                        $strlinelen = $this->GetStringWidth($dom[$key]['value']);
                                        if (!empty($this->HREF) AND (isset($this->HREF['url']))) {
                                                // HTML <a> Link
                                                $hrefcolor = '';
                                                if (isset($dom[($dom[$key]['parent'])]['fgcolor']) AND ($dom[($dom[$key]['parent'])]['fgcolor'] !== false)) {
                                                        $hrefcolor = $dom[($dom[$key]['parent'])]['fgcolor'];
                                                }
                                                $hrefstyle = -1;
                                                if (isset($dom[($dom[$key]['parent'])]['fontstyle']) AND ($dom[($dom[$key]['parent'])]['fontstyle'] !== false)) {
                                                        $hrefstyle = $dom[($dom[$key]['parent'])]['fontstyle'];
                                                }
                                                $strrest = $this->addHtmlLink($this->HREF['url'], $dom[$key]['value'], $wfill, true, $hrefcolor, $hrefstyle, true);
                                        } else {
                                                $wadj = 0; // space to leave for block continuity
                                                if ($this->rtl) {
                                                        $cwa = ($this->x - $this->lMargin);
                                                } else {
                                                        $cwa = ($this->w - $this->rMargin - $this->x);
                                                }
                                                if (($strlinelen < $cwa) AND (isset($dom[($key + 1)])) AND ($dom[($key + 1)]['tag']) AND (!$dom[($key + 1)]['block'])) {
                                                        // check the next text blocks for continuity
                                                        $nkey = ($key + 1);
                                                        $write_block = true;
                                                        $same_textdir = true;
                                                        $tmp_fontname = $this->FontFamily;
                                                        $tmp_fontstyle = $this->FontStyle;
                                                        $tmp_fontsize = $this->FontSizePt;
                                                        while ($write_block AND isset($dom[$nkey])) {
                                                                if ($dom[$nkey]['tag']) {
                                                                        if ($dom[$nkey]['block']) {
                                                                                // end of block
                                                                                $write_block = false;
                                                                        }
                                                                        $tmp_fontname = isset($dom[$nkey]['fontname']) ? $dom[$nkey]['fontname'] : $this->FontFamily;
                                                                        $tmp_fontstyle = isset($dom[$nkey]['fontstyle']) ? $dom[$nkey]['fontstyle'] : $this->FontStyle;
                                                                        $tmp_fontsize = isset($dom[$nkey]['fontsize']) ? $dom[$nkey]['fontsize'] : $this->FontSizePt;
                                                                        $same_textdir = ($dom[$nkey]['dir'] == $dom[$key]['dir']);
                                                                } else {
                                                                        $nextstr = TCPDF_STATIC::pregSplit('/'.$this->re_space['p'].'+/', $this->re_space['m'], $dom[$nkey]['value']);
                                                                        if (isset($nextstr[0]) AND $same_textdir) {
                                                                                $wadj += $this->GetStringWidth($nextstr[0], $tmp_fontname, $tmp_fontstyle, $tmp_fontsize);
                                                                                if (isset($nextstr[1])) {
                                                                                        $write_block = false;
                                                                                }
                                                                        }
                                                                }
                                                                ++$nkey;
                                                        }
                                                }
                                                if (($wadj > 0) AND (($strlinelen + $wadj) >= $cwa)) {
                                                        $wadj = 0;
                                                        $nextstr = TCPDF_STATIC::pregSplit('/'.$this->re_space['p'].'/', $this->re_space['m'], $dom[$key]['value']);
                                                        $numblks = count($nextstr);
                                                        if ($numblks > 1) {
                                                                // try to split on blank spaces
                                                                $wadj = ($cwa - $strlinelen + $this->GetStringWidth($nextstr[($numblks - 1)]));
                                                        } else {
                                                                // set the entire block on new line
                                                                $wadj = $this->GetStringWidth($nextstr[0]);
                                                        }
                                                }
                                                // check for reversed text direction
                                                if (($wadj > 0) AND (($this->rtl AND ($this->tmprtl === 'L')) OR (!$this->rtl AND ($this->tmprtl === 'R')))) {
                                                        // LTR text on RTL direction or RTL text on LTR direction
                                                        $reverse_dir = true;
                                                        $this->rtl = !$this->rtl;
                                                        $revshift = ($strlinelen + $wadj + 0.000001); // add little quantity for rounding problems
                                                        if ($this->rtl) {
                                                                $this->x += $revshift;
                                                        } else {
                                                                $this->x -= $revshift;
                                                        }
                                                        $xws = $this->x;
                                                }
                                                // ****** write only until the end of the line and get the rest ******
                                                $strrest = $this->Write($this->lasth, $dom[$key]['value'], '', $wfill, '', false, 0, true, $firstblock, 0, $wadj);
                                                // restore default direction
                                                if ($reverse_dir AND ($wadj == 0)) {
                                                        $this->x = $xws;
                                                        $this->rtl = !$this->rtl;
                                                        $reverse_dir = false;
                                                }
                                        }
                                }
                                $this->textindent = 0;
                                if (strlen($strrest) > 0) {
                                        // store the remaining string on the previous $key position
                                        $this->newline = true;
                                        if ($strrest == $dom[$key]['value']) {
                                                // used to avoid infinite loop
                                                ++$loop;
                                        } else {
                                                $loop = 0;
                                        }
                                        $dom[$key]['value'] = $strrest;
                                        if ($cell) {
                                                if ($this->rtl) {
                                                        $this->x -= $this->cell_padding['R'];
                                                } else {
                                                        $this->x += $this->cell_padding['L'];
                                                }
                                        }
                                        if ($loop < 3) {
                                                --$key;
                                        }
                                } else {
                                        $loop = 0;
                                        // add the positive font spacing of the last character (if any)
                                         if ($this->font_spacing > 0) {
                                                if ($this->rtl) {
                                                        $this->x -= $this->font_spacing;
                                                } else {
                                                        $this->x += $this->font_spacing;
                                                }
                                        }
                                }
                        }
                        ++$key;
                        if (isset($dom[$key]['tag']) AND $dom[$key]['tag'] AND (!isset($dom[$key]['opening']) OR !$dom[$key]['opening']) AND isset($dom[($dom[$key]['parent'])]['attribute']['nobr']) AND ($dom[($dom[$key]['parent'])]['attribute']['nobr'] == 'true')) {
                                // check if we are on a new page or on a new column
                                if ((!$undo) AND (($this->y < $this->start_transaction_y) OR (($dom[$key]['value'] == 'tr') AND ($dom[($dom[$key]['parent'])]['endy'] < $this->start_transaction_y)))) {
                                        // we are on a new page or on a new column and the total object height is less than the available vertical space.
                                        // restore previous object
                                        $this->rollbackTransaction(true);
                                        // restore previous values
                                        foreach ($this_method_vars as $vkey => $vval) {
                                                $$vkey = $vval;
                                        }
                                        if (!empty($dom[$key]['thead'])) {
                                                $this->inthead = true;
                                        }
                                        // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                        $pre_y = $this->y;
                                        if ((!$this->checkPageBreak($this->PageBreakTrigger + 1)) AND ($this->y < $pre_y)) {
                                                $startliney = $this->y;
                                        }
                                        $undo = true; // avoid infinite loop
                                } else {
                                        $undo = false;
                                }
                        }
                } // end for each $key
                // align the last line
                if (isset($startlinex)) {
                        $yshift = ($minstartliney - $startliney);
                        if (($yshift > 0) OR ($this->page > $startlinepage)) {
                                $yshift = 0;
                        }
                        $t_x = 0;
                        // the last line must be shifted to be aligned as requested
                        $linew = abs($this->endlinex - $startlinex);
                        if ($this->inxobj) {
                                // we are inside an XObject template
                                $pstart = substr($this->xobjects[$this->xobjid]['outdata'], 0, $startlinepos);
                                if (isset($opentagpos)) {
                                        $midpos = $opentagpos;
                                } else {
                                        $midpos = 0;
                                }
                                if ($midpos > 0) {
                                        $pmid = substr($this->xobjects[$this->xobjid]['outdata'], $startlinepos, ($midpos - $startlinepos));
                                        $pend = substr($this->xobjects[$this->xobjid]['outdata'], $midpos);
                                } else {
                                        $pmid = substr($this->xobjects[$this->xobjid]['outdata'], $startlinepos);
                                        $pend = '';
                                }
                        } else {
                                $pstart = substr($this->getPageBuffer($startlinepage), 0, $startlinepos);
                                if (isset($opentagpos) AND isset($this->footerlen[$startlinepage]) AND (!$this->InFooter)) {
                                        $this->footerpos[$startlinepage] = $this->pagelen[$startlinepage] - $this->footerlen[$startlinepage];
                                        $midpos = min($opentagpos, $this->footerpos[$startlinepage]);
                                } elseif (isset($opentagpos)) {
                                        $midpos = $opentagpos;
                                } elseif (isset($this->footerlen[$startlinepage]) AND (!$this->InFooter)) {
                                        $this->footerpos[$startlinepage] = $this->pagelen[$startlinepage] - $this->footerlen[$startlinepage];
                                        $midpos = $this->footerpos[$startlinepage];
                                } else {
                                        $midpos = 0;
                                }
                                if ($midpos > 0) {
                                        $pmid = substr($this->getPageBuffer($startlinepage), $startlinepos, ($midpos - $startlinepos));
                                        $pend = substr($this->getPageBuffer($startlinepage), $midpos);
                                } else {
                                        $pmid = substr($this->getPageBuffer($startlinepage), $startlinepos);
                                        $pend = '';
                                }
                        }
                        if ((isset($plalign) AND ((($plalign == 'C') OR (($plalign == 'R') AND (!$this->rtl)) OR (($plalign == 'L') AND ($this->rtl)))))) {
                                // calculate shifting amount
                                $tw = $w;
                                if ($this->lMargin != $prevlMargin) {
                                        $tw += ($prevlMargin - $this->lMargin);
                                }
                                if ($this->rMargin != $prevrMargin) {
                                        $tw += ($prevrMargin - $this->rMargin);
                                }
                                $one_space_width = $this->GetStringWidth(chr(32));
                                $no = 0; // number of spaces on a line contained on a single block
                                if ($this->isRTLTextDir()) { // RTL
                                        // remove left space if exist
                                        $pos1 = TCPDF_STATIC::revstrpos($pmid, '[(');
                                        if ($pos1 > 0) {
                                                $pos1 = intval($pos1);
                                                if ($this->isUnicodeFont()) {
                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, '[('.chr(0).chr(32)));
                                                        $spacelen = 2;
                                                } else {
                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, '[('.chr(32)));
                                                        $spacelen = 1;
                                                }
                                                if ($pos1 == $pos2) {
                                                        $pmid = substr($pmid, 0, ($pos1 + 2)).substr($pmid, ($pos1 + 2 + $spacelen));
                                                        if (substr($pmid, $pos1, 4) == '[()]') {
                                                                $linew -= $one_space_width;
                                                        } elseif ($pos1 == strpos($pmid, '[(')) {
                                                                $no = 1;
                                                        }
                                                }
                                        }
                                } else { // LTR
                                        // remove right space if exist
                                        $pos1 = TCPDF_STATIC::revstrpos($pmid, ')]');
                                        if ($pos1 > 0) {
                                                $pos1 = intval($pos1);
                                                if ($this->isUnicodeFont()) {
                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, chr(0).chr(32).')]')) + 2;
                                                        $spacelen = 2;
                                                } else {
                                                        $pos2 = intval(TCPDF_STATIC::revstrpos($pmid, chr(32).')]')) + 1;
                                                        $spacelen = 1;
                                                }
                                                if ($pos1 == $pos2) {
                                                        $pmid = substr($pmid, 0, ($pos1 - $spacelen)).substr($pmid, $pos1);
                                                        $linew -= $one_space_width;
                                                }
                                        }
                                }
                                $mdiff = ($tw - $linew);
                                if ($plalign == 'C') {
                                        if ($this->rtl) {
                                                $t_x = -($mdiff / 2);
                                        } else {
                                                $t_x = ($mdiff / 2);
                                        }
                                } elseif ($plalign == 'R') {
                                        // right alignment on LTR document
                                        $t_x = $mdiff;
                                } elseif ($plalign == 'L') {
                                        // left alignment on RTL document
                                        $t_x = -$mdiff;
                                }
                        } // end if startlinex
                        if (($t_x != 0) OR ($yshift < 0)) {
                                // shift the line
                                $trx = sprintf('1 0 0 1 %F %F cm', ($t_x * $this->k), ($yshift * $this->k));
                                $pstart .= "\nq\n".$trx."\n".$pmid."\nQ\n";
                                $endlinepos = strlen($pstart);
                                if ($this->inxobj) {
                                        // we are inside an XObject template
                                        $this->xobjects[$this->xobjid]['outdata'] = $pstart.$pend;
                                        foreach ($this->xobjects[$this->xobjid]['annotations'] as $pak => $pac) {
                                                if ($pak >= $pask) {
                                                        $this->xobjects[$this->xobjid]['annotations'][$pak]['x'] += $t_x;
                                                        $this->xobjects[$this->xobjid]['annotations'][$pak]['y'] -= $yshift;
                                                }
                                        }
                                } else {
                                        $this->setPageBuffer($startlinepage, $pstart.$pend);
                                        // shift the annotations and links
                                        if (isset($this->PageAnnots[$this->page])) {
                                                foreach ($this->PageAnnots[$this->page] as $pak => $pac) {
                                                        if ($pak >= $pask) {
                                                                $this->PageAnnots[$this->page][$pak]['x'] += $t_x;
                                                                $this->PageAnnots[$this->page][$pak]['y'] -= $yshift;
                                                        }
                                                }
                                        }
                                }
                                $this->y -= $yshift;
                                $yshift = 0;
                        }
                }
                // restore previous values
                $this->setGraphicVars($gvars);
                if ($this->num_columns > 1) {
                        $this->selectColumn();
                } elseif ($this->page > $prevPage) {
                        $this->lMargin = $this->pagedim[$this->page]['olm'];
                        $this->rMargin = $this->pagedim[$this->page]['orm'];
                }
                // restore previous list state
                $this->cell_height_ratio = $prev_cell_height_ratio;
                $this->listnum = $prev_listnum;
                $this->listordered = $prev_listordered;
                $this->listcount = $prev_listcount;
                $this->lispacer = $prev_lispacer;
                if ($ln AND (!($cell AND ($dom[$key-1]['value'] == 'table')))) {
                        $this->Ln($this->lasth);
                        if (($this->y < $maxbottomliney) AND ($startlinepage == $this->page)) {
                                $this->y = $maxbottomliney;
                        }
                }
                unset($dom);
        }
 
        protected function openHTMLTagHandler($dom, $key, $cell) {
                $tag = $dom[$key];
                $parent = $dom[($dom[$key]['parent'])];
                $firsttag = ($key == 1);
                // check for text direction attribute
                if (isset($tag['dir'])) {
                        $this->setTempRTL($tag['dir']);
                } else {
                        $this->tmprtl = false;
                }
                if ($tag['block']) {
                        $hbz = 0; // distance from y to line bottom
                        $hb = 0; // vertical space between block tags
                        // calculate vertical space for block tags
                        if (isset($this->tagvspaces[$tag['value']][0]['h']) AND ($this->tagvspaces[$tag['value']][0]['h'] >= 0)) {
                                $cur_h = $this->tagvspaces[$tag['value']][0]['h'];
                        } elseif (isset($tag['fontsize'])) {
                                $cur_h = $this->getCellHeight($tag['fontsize'] / $this->k);
                        } else {
                                $cur_h = $this->getCellHeight($this->FontSize);
                        }
                        if (isset($this->tagvspaces[$tag['value']][0]['n'])) {
                                $on = $this->tagvspaces[$tag['value']][0]['n'];
                        } elseif (preg_match('/[h][0-9]/', $tag['value']) > 0) {
                                $on = 0.6;
                        } else {
                                $on = 1;
                        }
                        if ((!isset($this->tagvspaces[$tag['value']])) AND (in_array($tag['value'], array('div', 'dt', 'dd', 'li', 'br', 'hr')))) {
                                $hb = 0;
                        } else {
                                $hb = ($on * $cur_h);
                        }
                        if (($this->htmlvspace <= 0) AND ($on > 0)) {
                                if (isset($parent['fontsize'])) {
                                        $hbz = (($parent['fontsize'] / $this->k) * $this->cell_height_ratio);
                                } else {
                                        $hbz = $this->getCellHeight($this->FontSize);
                                }
                        }
                        if (isset($dom[($key - 1)]) AND ($dom[($key - 1)]['value'] == 'table')) {
                                // fix vertical space after table
                                $hbz = 0;
                        }
                        // closing vertical space
                        $hbc = 0;
                        if (isset($this->tagvspaces[$tag['value']][1]['h']) AND ($this->tagvspaces[$tag['value']][1]['h'] >= 0)) {
                                $pre_h = $this->tagvspaces[$tag['value']][1]['h'];
                        } elseif (isset($parent['fontsize'])) {
                                $pre_h = $this->getCellHeight($parent['fontsize'] / $this->k);
                        } else {
                                $pre_h = $this->getCellHeight($this->FontSize);
                        }
                        if (isset($this->tagvspaces[$tag['value']][1]['n'])) {
                                $cn = $this->tagvspaces[$tag['value']][1]['n'];
                        } elseif (preg_match('/[h][0-9]/', $tag['value']) > 0) {
                                $cn = 0.6;
                        } else {
                                $cn = 1;
                        }
                        if (isset($this->tagvspaces[$tag['value']][1])) {
                                $hbc = ($cn * $pre_h);
                        }
                }
                // Opening tag
                switch($tag['value']) {
                        case 'table': {
                                $cp = 0;
                                $cs = 0;
                                $dom[$key]['rowspans'] = array();
                                if (!isset($dom[$key]['attribute']['nested']) OR ($dom[$key]['attribute']['nested'] != 'true')) {
                                        $this->htmlvspace = 0;
                                        // set table header
                                        if (!TCPDF_STATIC::empty_string($dom[$key]['thead'])) {
                                                // set table header
                                                $this->thead = $dom[$key]['thead'];
                                                if (!isset($this->theadMargins) OR (empty($this->theadMargins))) {
                                                        $this->theadMargins = array();
                                                        $this->theadMargins['cell_padding'] = $this->cell_padding;
                                                        $this->theadMargins['lmargin'] = $this->lMargin;
                                                        $this->theadMargins['rmargin'] = $this->rMargin;
                                                        $this->theadMargins['page'] = $this->page;
                                                        $this->theadMargins['cell'] = $cell;
                                                        $this->theadMargins['gvars'] = $this->getGraphicVars();
                                                }
                                        }
                                }
                                // store current margins and page
                                $dom[$key]['old_cell_padding'] = $this->cell_padding;
                                if (isset($tag['attribute']['cellpadding'])) {
                                        $pad = $this->getHTMLUnitToUnits($tag['attribute']['cellpadding'], 1, 'px');
                                        $this->SetCellPadding($pad);
                                } elseif (isset($tag['padding'])) {
                                        $this->cell_padding = $tag['padding'];
                                }
                                if (isset($tag['attribute']['cellspacing'])) {
                                        $cs = $this->getHTMLUnitToUnits($tag['attribute']['cellspacing'], 1, 'px');
                                } elseif (isset($tag['border-spacing'])) {
                                        $cs = $tag['border-spacing']['V'];
                                }
                                $prev_y = $this->y;
                                if ($this->checkPageBreak(((2 * $cp) + (2 * $cs) + $this->lasth), '', false) OR ($this->y < $prev_y)) {
                                        $this->inthead = true;
                                        // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                        $this->checkPageBreak($this->PageBreakTrigger + 1);
                                }
                                break;
                        }
                        case 'tr': {
                                // array of columns positions
                                $dom[$key]['cellpos'] = array();
                                break;
                        }
                        case 'hr': {
                                if ((isset($tag['height'])) AND ($tag['height'] != '')) {
                                        $hrHeight = $this->getHTMLUnitToUnits($tag['height'], 1, 'px');
                                } else {
                                        $hrHeight = $this->GetLineWidth();
                                }
                                $this->addHTMLVertSpace($hbz, max($hb, ($hrHeight / 2)), $cell, $firsttag);
                                $x = $this->GetX();
                                $y = $this->GetY();
                                $wtmp = $this->w - $this->lMargin - $this->rMargin;
                                if ($cell) {
                                        $wtmp -= ($this->cell_padding['L'] + $this->cell_padding['R']);
                                }
                                if ((isset($tag['width'])) AND ($tag['width'] != '')) {
                                        $hrWidth = $this->getHTMLUnitToUnits($tag['width'], $wtmp, 'px');
                                } else {
                                        $hrWidth = $wtmp;
                                }
                                $prevlinewidth = $this->GetLineWidth();
                                $this->SetLineWidth($hrHeight);
                                $this->Line($x, $y, $x + $hrWidth, $y);
                                $this->SetLineWidth($prevlinewidth);
                                $this->addHTMLVertSpace(max($hbc, ($hrHeight / 2)), 0, $cell, !isset($dom[($key + 1)]));
                                break;
                        }
                        case 'a': {
                                if (array_key_exists('href', $tag['attribute'])) {
                                        $this->HREF['url'] = $tag['attribute']['href'];
                                }
                                break;
                        }
                        case 'img': {
                                if (!empty($tag['attribute']['src'])) {
                                        if ($tag['attribute']['src'][0] === '@') {
                                                // data stream
                                                $tag['attribute']['src'] = '@'.base64_decode(substr($tag['attribute']['src'], 1));
                                                $type = '';
                                        } else {
                                                // get image type
                                                $type = TCPDF_IMAGES::getImageFileType($tag['attribute']['src']);
                                        }
                                        if (!isset($tag['width'])) {
                                                $tag['width'] = 0;
                                        }
                                        if (!isset($tag['height'])) {
                                                $tag['height'] = 0;
                                        }
                                        //if (!isset($tag['attribute']['align'])) {
                                                // the only alignment supported is "bottom"
                                                // further development is required for other modes.
                                                $tag['attribute']['align'] = 'bottom';
                                        //}
                                        switch($tag['attribute']['align']) {
                                                case 'top': {
                                                        $align = 'T';
                                                        break;
                                                }
                                                case 'middle': {
                                                        $align = 'M';
                                                        break;
                                                }
                                                case 'bottom': {
                                                        $align = 'B';
                                                        break;
                                                }
                                                default: {
                                                        $align = 'B';
                                                        break;
                                                }
                                        }
                                        $prevy = $this->y;
                                        $xpos = $this->x;
                                        $imglink = '';
                                        if (isset($this->HREF['url']) AND !TCPDF_STATIC::empty_string($this->HREF['url'])) {
                                                $imglink = $this->HREF['url'];
                                                if ($imglink[0] == '#') {
                                                        // convert url to internal link
                                                        $lnkdata = explode(',', $imglink);
                                                        if (isset($lnkdata[0])) {
                                                                $page = intval(substr($lnkdata[0], 1));
                                                                if (empty($page) OR ($page <= 0)) {
                                                                        $page = $this->page;
                                                                }
                                                                if (isset($lnkdata[1]) AND (strlen($lnkdata[1]) > 0)) {
                                                                        $lnky = floatval($lnkdata[1]);
                                                                } else {
                                                                        $lnky = 0;
                                                                }
                                                                $imglink = $this->AddLink();
                                                                $this->SetLink($imglink, $lnky, $page);
                                                        }
                                                }
                                        }
                                        $border = 0;
                                        if (isset($tag['border']) AND !empty($tag['border'])) {
                                                // currently only support 1 (frame) or a combination of 'LTRB'
                                                $border = $tag['border'];
                                        }
                                        $iw = '';
                                        if (isset($tag['width'])) {
                                                $iw = $this->getHTMLUnitToUnits($tag['width'], ($tag['fontsize'] / $this->k), 'px', false);
                                        }
                                        $ih = '';
                                        if (isset($tag['height'])) {
                                                $ih = $this->getHTMLUnitToUnits($tag['height'], ($tag['fontsize'] / $this->k), 'px', false);
                                        }
                                        if (($type == 'eps') OR ($type == 'ai')) {
                                                $this->ImageEps($tag['attribute']['src'], $xpos, $this->y, $iw, $ih, $imglink, true, $align, '', $border, true);
                                        } elseif ($type == 'svg') {
                                                $this->ImageSVG($tag['attribute']['src'], $xpos, $this->y, $iw, $ih, $imglink, $align, '', $border, true);
                                        } else {
                                                $this->Image($tag['attribute']['src'], $xpos, $this->y, $iw, $ih, '', $imglink, $align, false, 300, '', false, false, $border, false, false, true);
                                        }
                                        switch($align) {
                                                case 'T': {
                                                        $this->y = $prevy;
                                                        break;
                                                }
                                                case 'M': {
                                                        $this->y = (($this->img_rb_y + $prevy - ($this->getCellHeight($tag['fontsize'] / $this->k))) / 2);
                                                        break;
                                                }
                                                case 'B': {
                                                        $this->y = $this->img_rb_y - ($this->getCellHeight($tag['fontsize'] / $this->k) - ($this->getFontDescent($tag['fontname'], $tag['fontstyle'], $tag['fontsize']) * $this->cell_height_ratio));
                                                        break;
                                                }
                                        }
                                }
                                break;
                        }
                        case 'dl': {
                                ++$this->listnum;
                                if ($this->listnum == 1) {
                                        $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                } else {
                                        $this->addHTMLVertSpace(0, 0, $cell, $firsttag);
                                }
                                break;
                        }
                        case 'dt': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                break;
                        }
                        case 'dd': {
                                if ($this->rtl) {
                                        $this->rMargin += $this->listindent;
                                } else {
                                        $this->lMargin += $this->listindent;
                                }
                                ++$this->listindentlevel;
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                break;
                        }
                        case 'ul':
                        case 'ol': {
                                ++$this->listnum;
                                if ($tag['value'] == 'ol') {
                                        $this->listordered[$this->listnum] = true;
                                } else {
                                        $this->listordered[$this->listnum] = false;
                                }
                                if (isset($tag['attribute']['start'])) {
                                        $this->listcount[$this->listnum] = intval($tag['attribute']['start']) - 1;
                                } else {
                                        $this->listcount[$this->listnum] = 0;
                                }
                                if ($this->rtl) {
                                        $this->rMargin += $this->listindent;
                                        $this->x -= $this->listindent;
                                } else {
                                        $this->lMargin += $this->listindent;
                                        $this->x += $this->listindent;
                                }
                                ++$this->listindentlevel;
                                if ($this->listnum == 1) {
                                        if ($key > 1) {
                                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                        }
                                } else {
                                        $this->addHTMLVertSpace(0, 0, $cell, $firsttag);
                                }
                                break;
                        }
                        case 'li': {
                                if ($key > 2) {
                                        $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                }
                                if ($this->listordered[$this->listnum]) {
                                        // ordered item
                                        if (isset($parent['attribute']['type']) AND !TCPDF_STATIC::empty_string($parent['attribute']['type'])) {
                                                $this->lispacer = $parent['attribute']['type'];
                                        } elseif (isset($parent['listtype']) AND !TCPDF_STATIC::empty_string($parent['listtype'])) {
                                                $this->lispacer = $parent['listtype'];
                                        } elseif (isset($this->lisymbol) AND !TCPDF_STATIC::empty_string($this->lisymbol)) {
                                                $this->lispacer = $this->lisymbol;
                                        } else {
                                                $this->lispacer = '#';
                                        }
                                        ++$this->listcount[$this->listnum];
                                        if (isset($tag['attribute']['value'])) {
                                                $this->listcount[$this->listnum] = intval($tag['attribute']['value']);
                                        }
                                } else {
                                        // unordered item
                                        if (isset($parent['attribute']['type']) AND !TCPDF_STATIC::empty_string($parent['attribute']['type'])) {
                                                $this->lispacer = $parent['attribute']['type'];
                                        } elseif (isset($parent['listtype']) AND !TCPDF_STATIC::empty_string($parent['listtype'])) {
                                                $this->lispacer = $parent['listtype'];
                                        } elseif (isset($this->lisymbol) AND !TCPDF_STATIC::empty_string($this->lisymbol)) {
                                                $this->lispacer = $this->lisymbol;
                                        } else {
                                                $this->lispacer = '!';
                                        }
                                }
                                break;
                        }
                        case 'blockquote': {
                                if ($this->rtl) {
                                        $this->rMargin += $this->listindent;
                                } else {
                                        $this->lMargin += $this->listindent;
                                }
                                ++$this->listindentlevel;
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                break;
                        }
                        case 'br': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                break;
                        }
                        case 'div': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                break;
                        }
                        case 'p': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                break;
                        }
                        case 'pre': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                $this->premode = true;
                                break;
                        }
                        case 'sup': {
                                $this->SetXY($this->GetX(), $this->GetY() - ((0.7 * $this->FontSizePt) / $this->k));
                                break;
                        }
                        case 'sub': {
                                $this->SetXY($this->GetX(), $this->GetY() + ((0.3 * $this->FontSizePt) / $this->k));
                                break;
                        }
                        case 'h1':
                        case 'h2':
                        case 'h3':
                        case 'h4':
                        case 'h5':
                        case 'h6': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, $firsttag);
                                break;
                        }
                        // Form fields (since 4.8.000 - 2009-09-07)
                        case 'form': {
                                if (isset($tag['attribute']['action'])) {
                                        $this->form_action = $tag['attribute']['action'];
                                } else {
                                        $this->Error('Please explicitly set action attribute path!');
                                }
                                if (isset($tag['attribute']['enctype'])) {
                                        $this->form_enctype = $tag['attribute']['enctype'];
                                } else {
                                        $this->form_enctype = 'application/x-www-form-urlencoded';
                                }
                                if (isset($tag['attribute']['method'])) {
                                        $this->form_mode = $tag['attribute']['method'];
                                } else {
                                        $this->form_mode = 'post';
                                }
                                break;
                        }
                        case 'input': {
                                if (isset($tag['attribute']['name']) AND !TCPDF_STATIC::empty_string($tag['attribute']['name'])) {
                                        $name = $tag['attribute']['name'];
                                } else {
                                        break;
                                }
                                $prop = array();
                                $opt = array();
                                if (isset($tag['attribute']['readonly']) AND !TCPDF_STATIC::empty_string($tag['attribute']['readonly'])) {
                                        $prop['readonly'] = true;
                                }
                                if (isset($tag['attribute']['value']) AND !TCPDF_STATIC::empty_string($tag['attribute']['value'])) {
                                        $value = $tag['attribute']['value'];
                                }
                                if (isset($tag['attribute']['maxlength']) AND !TCPDF_STATIC::empty_string($tag['attribute']['maxlength'])) {
                                        $opt['maxlen'] = intval($tag['attribute']['maxlength']);
                                }
                                $h = $this->getCellHeight($this->FontSize);
                                if (isset($tag['attribute']['size']) AND !TCPDF_STATIC::empty_string($tag['attribute']['size'])) {
                                        $w = intval($tag['attribute']['size']) * $this->GetStringWidth(chr(32)) * 2;
                                } else {
                                        $w = $h;
                                }
                                if (isset($tag['attribute']['checked']) AND (($tag['attribute']['checked'] == 'checked') OR ($tag['attribute']['checked'] == 'true'))) {
                                        $checked = true;
                                } else {
                                        $checked = false;
                                }
                                if (isset($tag['align'])) {
                                        switch ($tag['align']) {
                                                case 'C': {
                                                        $opt['q'] = 1;
                                                        break;
                                                }
                                                case 'R': {
                                                        $opt['q'] = 2;
                                                        break;
                                                }
                                                case 'L':
                                                default: {
                                                        break;
                                                }
                                        }
                                }
                                switch ($tag['attribute']['type']) {
                                        case 'text': {
                                                if (isset($value)) {
                                                        $opt['v'] = $value;
                                                }
                                                $this->TextField($name, $w, $h, $prop, $opt, '', '', false);
                                                break;
                                        }
                                        case 'password': {
                                                if (isset($value)) {
                                                        $opt['v'] = $value;
                                                }
                                                $prop['password'] = 'true';
                                                $this->TextField($name, $w, $h, $prop, $opt, '', '', false);
                                                break;
                                        }
                                        case 'checkbox': {
                                                if (!isset($value)) {
                                                        break;
                                                }
                                                $this->CheckBox($name, $w, $checked, $prop, $opt, $value, '', '', false);
                                                break;
                                        }
                                        case 'radio': {
                                                if (!isset($value)) {
                                                        break;
                                                }
                                                $this->RadioButton($name, $w, $prop, $opt, $value, $checked, '', '', false);
                                                break;
                                        }
                                        case 'submit': {
                                                if (!isset($value)) {
                                                        $value = 'submit';
                                                }
                                                $w = $this->GetStringWidth($value) * 1.5;
                                                $h *= 1.6;
                                                $prop = array('lineWidth'=>1, 'borderStyle'=>'beveled', 'fillColor'=>array(196, 196, 196), 'strokeColor'=>array(255, 255, 255));
                                                $action = array();
                                                $action['S'] = 'SubmitForm';
                                                $action['F'] = $this->form_action;
                                                if ($this->form_enctype != 'FDF') {
                                                        $action['Flags'] = array('ExportFormat');
                                                }
                                                if ($this->form_mode == 'get') {
                                                        $action['Flags'] = array('GetMethod');
                                                }
                                                $this->Button($name, $w, $h, $value, $action, $prop, $opt, '', '', false);
                                                break;
                                        }
                                        case 'reset': {
                                                if (!isset($value)) {
                                                        $value = 'reset';
                                                }
                                                $w = $this->GetStringWidth($value) * 1.5;
                                                $h *= 1.6;
                                                $prop = array('lineWidth'=>1, 'borderStyle'=>'beveled', 'fillColor'=>array(196, 196, 196), 'strokeColor'=>array(255, 255, 255));
                                                $this->Button($name, $w, $h, $value, array('S'=>'ResetForm'), $prop, $opt, '', '', false);
                                                break;
                                        }
                                        case 'file': {
                                                $prop['fileSelect'] = 'true';
                                                $this->TextField($name, $w, $h, $prop, $opt, '', '', false);
                                                if (!isset($value)) {
                                                        $value = '*';
                                                }
                                                $w = $this->GetStringWidth($value) * 2;
                                                $h *= 1.2;
                                                $prop = array('lineWidth'=>1, 'borderStyle'=>'beveled', 'fillColor'=>array(196, 196, 196), 'strokeColor'=>array(255, 255, 255));
                                                $jsaction = 'var f=this.getField(\''.$name.'\'); f.browseForFileToSubmit();';
                                                $this->Button('FB_'.$name, $w, $h, $value, $jsaction, $prop, $opt, '', '', false);
                                                break;
                                        }
                                        case 'hidden': {
                                                if (isset($value)) {
                                                        $opt['v'] = $value;
                                                }
                                                $opt['f'] = array('invisible', 'hidden');
                                                $this->TextField($name, 0, 0, $prop, $opt, '', '', false);
                                                break;
                                        }
                                        case 'image': {
                                                // THIS TYPE MUST BE FIXED
                                                if (isset($tag['attribute']['src']) AND !TCPDF_STATIC::empty_string($tag['attribute']['src'])) {
                                                        $img = $tag['attribute']['src'];
                                                } else {
                                                        break;
                                                }
                                                $value = 'img';
                                                //$opt['mk'] = array('i'=>$img, 'tp'=>1, 'if'=>array('sw'=>'A', 's'=>'A', 'fb'=>false));
                                                if (isset($tag['attribute']['onclick']) AND !empty($tag['attribute']['onclick'])) {
                                                        $jsaction = $tag['attribute']['onclick'];
                                                } else {
                                                        $jsaction = '';
                                                }
                                                $this->Button($name, $w, $h, $value, $jsaction, $prop, $opt, '', '', false);
                                                break;
                                        }
                                        case 'button': {
                                                if (!isset($value)) {
                                                        $value = ' ';
                                                }
                                                $w = $this->GetStringWidth($value) * 1.5;
                                                $h *= 1.6;
                                                $prop = array('lineWidth'=>1, 'borderStyle'=>'beveled', 'fillColor'=>array(196, 196, 196), 'strokeColor'=>array(255, 255, 255));
                                                if (isset($tag['attribute']['onclick']) AND !empty($tag['attribute']['onclick'])) {
                                                        $jsaction = $tag['attribute']['onclick'];
                                                } else {
                                                        $jsaction = '';
                                                }
                                                $this->Button($name, $w, $h, $value, $jsaction, $prop, $opt, '', '', false);
                                                break;
                                        }
                                }
                                break;
                        }
                        case 'textarea': {
                                $prop = array();
                                $opt = array();
                                if (isset($tag['attribute']['readonly']) AND !TCPDF_STATIC::empty_string($tag['attribute']['readonly'])) {
                                        $prop['readonly'] = true;
                                }
                                if (isset($tag['attribute']['name']) AND !TCPDF_STATIC::empty_string($tag['attribute']['name'])) {
                                        $name = $tag['attribute']['name'];
                                } else {
                                        break;
                                }
                                if (isset($tag['attribute']['value']) AND !TCPDF_STATIC::empty_string($tag['attribute']['value'])) {
                                        $opt['v'] = $tag['attribute']['value'];
                                }
                                if (isset($tag['attribute']['cols']) AND !TCPDF_STATIC::empty_string($tag['attribute']['cols'])) {
                                        $w = intval($tag['attribute']['cols']) * $this->GetStringWidth(chr(32)) * 2;
                                } else {
                                        $w = 40;
                                }
                                if (isset($tag['attribute']['rows']) AND !TCPDF_STATIC::empty_string($tag['attribute']['rows'])) {
                                        $h = intval($tag['attribute']['rows']) * $this->getCellHeight($this->FontSize);
                                } else {
                                        $h = 10;
                                }
                                $prop['multiline'] = 'true';
                                $this->TextField($name, $w, $h, $prop, $opt, '', '', false);
                                break;
                        }
                        case 'select': {
                                $h = $this->getCellHeight($this->FontSize);
                                if (isset($tag['attribute']['size']) AND !TCPDF_STATIC::empty_string($tag['attribute']['size'])) {
                                        $h *= ($tag['attribute']['size'] + 1);
                                }
                                $prop = array();
                                $opt = array();
                                if (isset($tag['attribute']['name']) AND !TCPDF_STATIC::empty_string($tag['attribute']['name'])) {
                                        $name = $tag['attribute']['name'];
                                } else {
                                        break;
                                }
                                $w = 0;
                                if (isset($tag['attribute']['opt']) AND !TCPDF_STATIC::empty_string($tag['attribute']['opt'])) {
                                        $options = explode('#!NwL!#', $tag['attribute']['opt']);
                                        $values = array();
                                        foreach ($options as $val) {
                                                if (strpos($val, '#!TaB!#') !== false) {
                                                        $opts = explode('#!TaB!#', $val);
                                                        $values[] = $opts;
                                                        $w = max($w, $this->GetStringWidth($opts[1]));
                                                } else {
                                                        $values[] = $val;
                                                        $w = max($w, $this->GetStringWidth($val));
                                                }
                                        }
                                } else {
                                        break;
                                }
                                $w *= 2;
                                if (isset($tag['attribute']['multiple']) AND ($tag['attribute']['multiple']='multiple')) {
                                        $prop['multipleSelection'] = 'true';
                                        $this->ListBox($name, $w, $h, $values, $prop, $opt, '', '', false);
                                } else {
                                        $this->ComboBox($name, $w, $h, $values, $prop, $opt, '', '', false);
                                }
                                break;
                        }
                        case 'tcpdf': {
                                if (defined('K_TCPDF_CALLS_IN_HTML') AND (K_TCPDF_CALLS_IN_HTML === true)) {
                                        // Special tag used to call TCPDF methods
                                        if (isset($tag['attribute']['method'])) {
                                                $tcpdf_method = $tag['attribute']['method'];
                                                if (method_exists($this, $tcpdf_method)) {
                                                        if (isset($tag['attribute']['params']) AND (!empty($tag['attribute']['params']))) {
                                                                $params = $this->unserializeTCPDFtagParameters($tag['attribute']['params']);
                                                                call_user_func_array(array($this, $tcpdf_method), $params);
                                                        } else {
                                                                $this->$tcpdf_method();
                                                        }
                                                        $this->newline = true;
                                                }
                                        }
                                }
                                break;
                        }
                        default: {
                                break;
                        }
                }
                // define tags that support borders and background colors
                $bordertags = array('blockquote','br','dd','dl','div','dt','h1','h2','h3','h4','h5','h6','hr','li','ol','p','pre','ul','tcpdf','table');
                if (in_array($tag['value'], $bordertags)) {
                        // set border
                        $dom[$key]['borderposition'] = $this->getBorderStartPosition();
                }
                if ($dom[$key]['self'] AND isset($dom[$key]['attribute']['pagebreakafter'])) {
                        $pba = $dom[$key]['attribute']['pagebreakafter'];
                        // check for pagebreak
                        if (($pba == 'true') OR ($pba == 'left') OR ($pba == 'right')) {
                                // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                $this->checkPageBreak($this->PageBreakTrigger + 1);
                        }
                        if ((($pba == 'left') AND (((!$this->rtl) AND (($this->page % 2) == 0)) OR (($this->rtl) AND (($this->page % 2) != 0))))
                                OR (($pba == 'right') AND (((!$this->rtl) AND (($this->page % 2) != 0)) OR (($this->rtl) AND (($this->page % 2) == 0))))) {
                                // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                $this->checkPageBreak($this->PageBreakTrigger + 1);
                        }
                }
                return $dom;
        }
 
        protected function closeHTMLTagHandler($dom, $key, $cell, $maxbottomliney=0) {
                $tag = $dom[$key];
                $parent = $dom[($dom[$key]['parent'])];
                $lasttag = ((!isset($dom[($key + 1)])) OR ((!isset($dom[($key + 2)])) AND ($dom[($key + 1)]['value'] == 'marker')));
                $in_table_head = false;
                // maximum x position (used to draw borders)
                if ($this->rtl) {
                        $xmax = $this->w;
                } else {
                        $xmax = 0;
                }
                if ($tag['block']) {
                        $hbz = 0; // distance from y to line bottom
                        $hb = 0; // vertical space between block tags
                        // calculate vertical space for block tags
                        if (isset($this->tagvspaces[$tag['value']][1]['h']) AND ($this->tagvspaces[$tag['value']][1]['h'] >= 0)) {
                                $pre_h = $this->tagvspaces[$tag['value']][1]['h'];
                        } elseif (isset($parent['fontsize'])) {
                                $pre_h = $this->getCellHeight($parent['fontsize'] / $this->k);
                        } else {
                                $pre_h = $this->getCellHeight($this->FontSize);
                        }
                        if (isset($this->tagvspaces[$tag['value']][1]['n'])) {
                                $cn = $this->tagvspaces[$tag['value']][1]['n'];
                        } elseif (preg_match('/[h][0-9]/', $tag['value']) > 0) {
                                $cn = 0.6;
                        } else {
                                $cn = 1;
                        }
                        if ((!isset($this->tagvspaces[$tag['value']])) AND ($tag['value'] == 'div')) {
                                $hb = 0;
                        } else {
                                $hb = ($cn * $pre_h);
                        }
                        if ($maxbottomliney > $this->PageBreakTrigger) {
                                $hbz = $this->getCellHeight($this->FontSize);
                        } elseif ($this->y < $maxbottomliney) {
                                $hbz = ($maxbottomliney - $this->y);
                        }
                }
                // Closing tag
                switch($tag['value']) {
                        case 'tr': {
                                $table_el = $dom[($dom[$key]['parent'])]['parent'];
                                if (!isset($parent['endy'])) {
                                        $dom[($dom[$key]['parent'])]['endy'] = $this->y;
                                        $parent['endy'] = $this->y;
                                }
                                if (!isset($parent['endpage'])) {
                                        $dom[($dom[$key]['parent'])]['endpage'] = $this->page;
                                        $parent['endpage'] = $this->page;
                                }
                                if (!isset($parent['endcolumn'])) {
                                        $dom[($dom[$key]['parent'])]['endcolumn'] = $this->current_column;
                                        $parent['endcolumn'] = $this->current_column;
                                }
                                // update row-spanned cells
                                if (isset($dom[$table_el]['rowspans'])) {
                                        foreach ($dom[$table_el]['rowspans'] as $k => $trwsp) {
                                                $dom[$table_el]['rowspans'][$k]['rowspan'] -= 1;
                                                if ($dom[$table_el]['rowspans'][$k]['rowspan'] == 0) {
                                                        if (($dom[$table_el]['rowspans'][$k]['endpage'] == $parent['endpage']) AND ($dom[$table_el]['rowspans'][$k]['endcolumn'] == $parent['endcolumn'])) {
                                                                $dom[($dom[$key]['parent'])]['endy'] = max($dom[$table_el]['rowspans'][$k]['endy'], $parent['endy']);
                                                        } elseif (($dom[$table_el]['rowspans'][$k]['endpage'] > $parent['endpage']) OR ($dom[$table_el]['rowspans'][$k]['endcolumn'] > $parent['endcolumn'])) {
                                                                $dom[($dom[$key]['parent'])]['endy'] = $dom[$table_el]['rowspans'][$k]['endy'];
                                                                $dom[($dom[$key]['parent'])]['endpage'] = $dom[$table_el]['rowspans'][$k]['endpage'];
                                                                $dom[($dom[$key]['parent'])]['endcolumn'] = $dom[$table_el]['rowspans'][$k]['endcolumn'];
                                                        }
                                                }
                                        }
                                        // report new endy and endpage to the rowspanned cells
                                        foreach ($dom[$table_el]['rowspans'] as $k => $trwsp) {
                                                if ($dom[$table_el]['rowspans'][$k]['rowspan'] == 0) {
                                                        $dom[$table_el]['rowspans'][$k]['endpage'] = max($dom[$table_el]['rowspans'][$k]['endpage'], $dom[($dom[$key]['parent'])]['endpage']);
                                                        $dom[($dom[$key]['parent'])]['endpage'] = $dom[$table_el]['rowspans'][$k]['endpage'];
                                                        $dom[$table_el]['rowspans'][$k]['endcolumn'] = max($dom[$table_el]['rowspans'][$k]['endcolumn'], $dom[($dom[$key]['parent'])]['endcolumn']);
                                                        $dom[($dom[$key]['parent'])]['endcolumn'] = $dom[$table_el]['rowspans'][$k]['endcolumn'];
                                                        $dom[$table_el]['rowspans'][$k]['endy'] = max($dom[$table_el]['rowspans'][$k]['endy'], $dom[($dom[$key]['parent'])]['endy']);
                                                        $dom[($dom[$key]['parent'])]['endy'] = $dom[$table_el]['rowspans'][$k]['endy'];
                                                }
                                        }
                                        // update remaining rowspanned cells
                                        foreach ($dom[$table_el]['rowspans'] as $k => $trwsp) {
                                                if ($dom[$table_el]['rowspans'][$k]['rowspan'] == 0) {
                                                        $dom[$table_el]['rowspans'][$k]['endpage'] = $dom[($dom[$key]['parent'])]['endpage'];
                                                        $dom[$table_el]['rowspans'][$k]['endcolumn'] = $dom[($dom[$key]['parent'])]['endcolumn'];
                                                        $dom[$table_el]['rowspans'][$k]['endy'] = $dom[($dom[$key]['parent'])]['endy'];
                                                }
                                        }
                                }
                                $prev_page = $this->page;
                                $this->setPage($dom[($dom[$key]['parent'])]['endpage']);
                                if ($this->num_columns > 1) {
                                        if (($prev_page < $this->page)
                                                AND ((($this->current_column == 0) AND ($dom[($dom[$key]['parent'])]['endcolumn'] == ($this->num_columns - 1)))
                                                        OR ($this->current_column == $dom[($dom[$key]['parent'])]['endcolumn']))) {
                                                // page jump
                                                $this->selectColumn(0);
                                                $dom[($dom[$key]['parent'])]['endcolumn'] = 0;
                                                $dom[($dom[$key]['parent'])]['endy'] = $this->y;
                                        } else {
                                                $this->selectColumn($dom[($dom[$key]['parent'])]['endcolumn']);
                                                $this->y = $dom[($dom[$key]['parent'])]['endy'];
                                        }
                                } else {
                                        $this->y = $dom[($dom[$key]['parent'])]['endy'];
                                }
                                if (isset($dom[$table_el]['attribute']['cellspacing'])) {
                                        $this->y += $this->getHTMLUnitToUnits($dom[$table_el]['attribute']['cellspacing'], 1, 'px');
                                } elseif (isset($dom[$table_el]['border-spacing'])) {
                                        $this->y += $dom[$table_el]['border-spacing']['V'];
                                }
                                $this->Ln(0, $cell);
                                if ($this->current_column == $parent['startcolumn']) {
                                        $this->x = $parent['startx'];
                                }
                                // account for booklet mode
                                if ($this->page > $parent['startpage']) {
                                        if (($this->rtl) AND ($this->pagedim[$this->page]['orm'] != $this->pagedim[$parent['startpage']]['orm'])) {
                                                $this->x -= ($this->pagedim[$this->page]['orm'] - $this->pagedim[$parent['startpage']]['orm']);
                                        } elseif ((!$this->rtl) AND ($this->pagedim[$this->page]['olm'] != $this->pagedim[$parent['startpage']]['olm'])) {
                                                $this->x += ($this->pagedim[$this->page]['olm'] - $this->pagedim[$parent['startpage']]['olm']);
                                        }
                                }
                                break;
                        }
                        case 'tablehead':
                                // closing tag used for the thead part
                                $in_table_head = true;
                                $this->inthead = false;
                        case 'table': {
                                $table_el = $parent;
                                // set default border
                                if (isset($table_el['attribute']['border']) AND ($table_el['attribute']['border'] > 0)) {
                                        // set default border
                                        $border = array('LTRB' => array('width' => $this->getCSSBorderWidth($table_el['attribute']['border']), 'cap'=>'square', 'join'=>'miter', 'dash'=> 0, 'color'=>array(0,0,0)));
                                } else {
                                        $border = 0;
                                }
                                $default_border = $border;
                                // fix bottom line alignment of last line before page break
                                foreach ($dom[($dom[$key]['parent'])]['trids'] as $j => $trkey) {
                                        // update row-spanned cells
                                        if (isset($dom[($dom[$key]['parent'])]['rowspans'])) {
                                                foreach ($dom[($dom[$key]['parent'])]['rowspans'] as $k => $trwsp) {
                                                        if (isset($prevtrkey) AND ($trwsp['trid'] == $prevtrkey) AND ($trwsp['mrowspan'] > 0)) {
                                                                $dom[($dom[$key]['parent'])]['rowspans'][$k]['trid'] = $trkey;
                                                        }
                                                        if ($dom[($dom[$key]['parent'])]['rowspans'][$k]['trid'] == $trkey) {
                                                                $dom[($dom[$key]['parent'])]['rowspans'][$k]['mrowspan'] -= 1;
                                                        }
                                                }
                                        }
                                        if (isset($prevtrkey) AND ($dom[$trkey]['startpage'] > $dom[$prevtrkey]['endpage'])) {
                                                $pgendy = $this->pagedim[$dom[$prevtrkey]['endpage']]['hk'] - $this->pagedim[$dom[$prevtrkey]['endpage']]['bm'];
                                                $dom[$prevtrkey]['endy'] = $pgendy;
                                                // update row-spanned cells
                                                if (isset($dom[($dom[$key]['parent'])]['rowspans'])) {
                                                        foreach ($dom[($dom[$key]['parent'])]['rowspans'] as $k => $trwsp) {
                                                                if (($trwsp['trid'] == $prevtrkey) AND ($trwsp['mrowspan'] >= 0) AND ($trwsp['endpage'] == $dom[$prevtrkey]['endpage'])) {
                                                                        $dom[($dom[$key]['parent'])]['rowspans'][$k]['endy'] = $pgendy;
                                                                        $dom[($dom[$key]['parent'])]['rowspans'][$k]['mrowspan'] = -1;
                                                                }
                                                        }
                                                }
                                        }
                                        $prevtrkey = $trkey;
                                        $table_el = $dom[($dom[$key]['parent'])];
                                }
                                // for each row
                                if (count($table_el['trids']) > 0) {
                                        unset($xmax);
                                }
                                foreach ($table_el['trids'] as $j => $trkey) {
                                        $parent = $dom[$trkey];
                                        if (!isset($xmax)) {
                                                $xmax = $parent['cellpos'][(count($parent['cellpos']) - 1)]['endx'];
                                        }
                                        // for each cell on the row
                                        foreach ($parent['cellpos'] as $k => $cellpos) {
                                                if (isset($cellpos['rowspanid']) AND ($cellpos['rowspanid'] >= 0)) {
                                                        $cellpos['startx'] = $table_el['rowspans'][($cellpos['rowspanid'])]['startx'];
                                                        $cellpos['endx'] = $table_el['rowspans'][($cellpos['rowspanid'])]['endx'];
                                                        $endy = $table_el['rowspans'][($cellpos['rowspanid'])]['endy'];
                                                        $startpage = $table_el['rowspans'][($cellpos['rowspanid'])]['startpage'];
                                                        $endpage = $table_el['rowspans'][($cellpos['rowspanid'])]['endpage'];
                                                        $startcolumn = $table_el['rowspans'][($cellpos['rowspanid'])]['startcolumn'];
                                                        $endcolumn = $table_el['rowspans'][($cellpos['rowspanid'])]['endcolumn'];
                                                } else {
                                                        $endy = $parent['endy'];
                                                        $startpage = $parent['startpage'];
                                                        $endpage = $parent['endpage'];
                                                        $startcolumn = $parent['startcolumn'];
                                                        $endcolumn = $parent['endcolumn'];
                                                }
                                                if ($this->num_columns == 0) {
                                                        $this->num_columns = 1;
                                                }
                                                if (isset($cellpos['border'])) {
                                                        $border = $cellpos['border'];
                                                }
                                                if (isset($cellpos['bgcolor']) AND ($cellpos['bgcolor']) !== false) {
                                                        $this->SetFillColorArray($cellpos['bgcolor']);
                                                        $fill = true;
                                                } else {
                                                        $fill = false;
                                                }
                                                $x = $cellpos['startx'];
                                                $y = $parent['starty'];
                                                $starty = $y;
                                                $w = abs($cellpos['endx'] - $cellpos['startx']);
                                                // get border modes
                                                $border_start = TCPDF_STATIC::getBorderMode($border, $position='start', $this->opencell);
                                                $border_end = TCPDF_STATIC::getBorderMode($border, $position='end', $this->opencell);
                                                $border_middle = TCPDF_STATIC::getBorderMode($border, $position='middle', $this->opencell);
                                                // design borders around HTML cells.
                                                for ($page = $startpage; $page <= $endpage; ++$page) { // for each page
                                                        $ccode = '';
                                                        $this->setPage($page);
                                                        if ($this->num_columns < 2) {
                                                                // single-column mode
                                                                $this->x = $x;
                                                                $this->y = $this->tMargin;
                                                        }
                                                        // account for margin changes
                                                        if ($page > $startpage) {
                                                                if (($this->rtl) AND ($this->pagedim[$page]['orm'] != $this->pagedim[$startpage]['orm'])) {
                                                                        $this->x -= ($this->pagedim[$page]['orm'] - $this->pagedim[$startpage]['orm']);
                                                                } elseif ((!$this->rtl) AND ($this->pagedim[$page]['olm'] != $this->pagedim[$startpage]['olm'])) {
                                                                        $this->x += ($this->pagedim[$page]['olm'] - $this->pagedim[$startpage]['olm']);
                                                                }
                                                        }
                                                        if ($startpage == $endpage) { // single page
                                                                $deltacol = 0;
                                                                $deltath = 0;
                                                                for ($column = $startcolumn; $column <= $endcolumn; ++$column) { // for each column
                                                                        $this->selectColumn($column);
                                                                        if ($startcolumn == $endcolumn) { // single column
                                                                                $cborder = $border;
                                                                                $h = $endy - $parent['starty'];
                                                                                $this->y = $y;
                                                                                $this->x = $x;
                                                                        } elseif ($column == $startcolumn) { // first column
                                                                                $cborder = $border_start;
                                                                                $this->y = $starty;
                                                                                $this->x = $x;
                                                                                $h = $this->h - $this->y - $this->bMargin;
                                                                                if ($this->rtl) {
                                                                                        $deltacol = $this->x + $this->rMargin - $this->w;
                                                                                } else {
                                                                                        $deltacol = $this->x - $this->lMargin;
                                                                                }
                                                                        } elseif ($column == $endcolumn) { // end column
                                                                                $cborder = $border_end;
                                                                                if (isset($this->columns[$column]['th']['\''.$page.'\''])) {
                                                                                        $this->y = $this->columns[$column]['th']['\''.$page.'\''];
                                                                                }
                                                                                $this->x += $deltacol;
                                                                                $h = $endy - $this->y;
                                                                        } else { // middle column
                                                                                $cborder = $border_middle;
                                                                                if (isset($this->columns[$column]['th']['\''.$page.'\''])) {
                                                                                        $this->y = $this->columns[$column]['th']['\''.$page.'\''];
                                                                                }
                                                                                $this->x += $deltacol;
                                                                                $h = $this->h - $this->y - $this->bMargin;
                                                                        }
                                                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                                                } // end for each column
                                                        } elseif ($page == $startpage) { // first page
                                                                $deltacol = 0;
                                                                $deltath = 0;
                                                                for ($column = $startcolumn; $column < $this->num_columns; ++$column) { // for each column
                                                                        $this->selectColumn($column);
                                                                        if ($column == $startcolumn) { // first column
                                                                                $cborder = $border_start;
                                                                                $this->y = $starty;
                                                                                $this->x = $x;
                                                                                $h = $this->h - $this->y - $this->bMargin;
                                                                                if ($this->rtl) {
                                                                                        $deltacol = $this->x + $this->rMargin - $this->w;
                                                                                } else {
                                                                                        $deltacol = $this->x - $this->lMargin;
                                                                                }
                                                                        } else { // middle column
                                                                                $cborder = $border_middle;
                                                                                if (isset($this->columns[$column]['th']['\''.$page.'\''])) {
                                                                                        $this->y = $this->columns[$column]['th']['\''.$page.'\''];
                                                                                }
                                                                                $this->x += $deltacol;
                                                                                $h = $this->h - $this->y - $this->bMargin;
                                                                        }
                                                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                                                } // end for each column
                                                        } elseif ($page == $endpage) { // last page
                                                                $deltacol = 0;
                                                                $deltath = 0;
                                                                for ($column = 0; $column <= $endcolumn; ++$column) { // for each column
                                                                        $this->selectColumn($column);
                                                                        if ($column == $endcolumn) { // end column
                                                                                $cborder = $border_end;
                                                                                if (isset($this->columns[$column]['th']['\''.$page.'\''])) {
                                                                                        $this->y = $this->columns[$column]['th']['\''.$page.'\''];
                                                                                }
                                                                                $this->x += $deltacol;
                                                                                $h = $endy - $this->y;
                                                                        } else { // middle column
                                                                                $cborder = $border_middle;
                                                                                if (isset($this->columns[$column]['th']['\''.$page.'\''])) {
                                                                                        $this->y = $this->columns[$column]['th']['\''.$page.'\''];
                                                                                }
                                                                                $this->x += $deltacol;
                                                                                $h = $this->h - $this->y - $this->bMargin;
                                                                        }
                                                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                                                } // end for each column
                                                        } else { // middle page
                                                                $deltacol = 0;
                                                                $deltath = 0;
                                                                for ($column = 0; $column < $this->num_columns; ++$column) { // for each column
                                                                        $this->selectColumn($column);
                                                                        $cborder = $border_middle;
                                                                        if (isset($this->columns[$column]['th']['\''.$page.'\''])) {
                                                                                $this->y = $this->columns[$column]['th']['\''.$page.'\''];
                                                                        }
                                                                        $this->x += $deltacol;
                                                                        $h = $this->h - $this->y - $this->bMargin;
                                                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                                                } // end for each column
                                                        }
                                                        if (!empty($cborder) OR !empty($fill)) {
                                                                $offsetlen = strlen($ccode);
                                                                // draw border and fill
                                                                if ($this->inxobj) {
                                                                        // we are inside an XObject template
                                                                        if (end($this->xobjects[$this->xobjid]['transfmrk']) !== false) {
                                                                                $pagemarkkey = key($this->xobjects[$this->xobjid]['transfmrk']);
                                                                                $pagemark = $this->xobjects[$this->xobjid]['transfmrk'][$pagemarkkey];
                                                                                $this->xobjects[$this->xobjid]['transfmrk'][$pagemarkkey] += $offsetlen;
                                                                        } else {
                                                                                $pagemark = $this->xobjects[$this->xobjid]['intmrk'];
                                                                                $this->xobjects[$this->xobjid]['intmrk'] += $offsetlen;
                                                                        }
                                                                        $pagebuff = $this->xobjects[$this->xobjid]['outdata'];
                                                                        $pstart = substr($pagebuff, 0, $pagemark);
                                                                        $pend = substr($pagebuff, $pagemark);
                                                                        $this->xobjects[$this->xobjid]['outdata'] = $pstart.$ccode.$pend;
                                                                } else {
                                                                        // draw border and fill
                                                                        if (end($this->transfmrk[$this->page]) !== false) {
                                                                                $pagemarkkey = key($this->transfmrk[$this->page]);
                                                                                $pagemark = $this->transfmrk[$this->page][$pagemarkkey];
                                                                        } elseif ($this->InFooter) {
                                                                                $pagemark = $this->footerpos[$this->page];
                                                                        } else {
                                                                                $pagemark = $this->intmrk[$this->page];
                                                                        }
                                                                        $pagebuff = $this->getPageBuffer($this->page);
                                                                        $pstart = substr($pagebuff, 0, $pagemark);
                                                                        $pend = substr($pagebuff, $pagemark);
                                                                        $this->setPageBuffer($this->page, $pstart.$ccode.$pend);
                                                                }
                                                        }
                                                } // end for each page
                                                // restore default border
                                                $border = $default_border;
                                        } // end for each cell on the row
                                        if (isset($table_el['attribute']['cellspacing'])) {
                                                $this->y += $this->getHTMLUnitToUnits($table_el['attribute']['cellspacing'], 1, 'px');
                                        } elseif (isset($table_el['border-spacing'])) {
                                                $this->y += $table_el['border-spacing']['V'];
                                        }
                                        $this->Ln(0, $cell);
                                        $this->x = $parent['startx'];
                                        if ($endpage > $startpage) {
                                                if (($this->rtl) AND ($this->pagedim[$endpage]['orm'] != $this->pagedim[$startpage]['orm'])) {
                                                        $this->x += ($this->pagedim[$endpage]['orm'] - $this->pagedim[$startpage]['orm']);
                                                } elseif ((!$this->rtl) AND ($this->pagedim[$endpage]['olm'] != $this->pagedim[$startpage]['olm'])) {
                                                        $this->x += ($this->pagedim[$endpage]['olm'] - $this->pagedim[$startpage]['olm']);
                                                }
                                        }
                                }
                                if (!$in_table_head) { // we are not inside a thead section
                                        $this->cell_padding = $table_el['old_cell_padding'];
                                        // reset row height
                                        $this->resetLastH();
                                        if (($this->page == ($this->numpages - 1)) AND ($this->pageopen[$this->numpages])) {
                                                $plendiff = ($this->pagelen[$this->numpages] - $this->emptypagemrk[$this->numpages]);
                                                if (($plendiff > 0) AND ($plendiff < 60)) {
                                                        $pagediff = substr($this->getPageBuffer($this->numpages), $this->emptypagemrk[$this->numpages], $plendiff);
                                                        if (substr($pagediff, 0, 5) == 'BT /F') {
                                                                // the difference is only a font setting
                                                                $plendiff = 0;
                                                        }
                                                }
                                                if ($plendiff == 0) {
                                                        // remove last blank page
                                                        $this->deletePage($this->numpages);
                                                }
                                        }
                                        if (isset($this->theadMargins['top'])) {
                                                // restore top margin
                                                $this->tMargin = $this->theadMargins['top'];
                                        }
                                        if (!isset($table_el['attribute']['nested']) OR ($table_el['attribute']['nested'] != 'true')) {
                                                // reset main table header
                                                $this->thead = '';
                                                $this->theadMargins = array();
                                                $this->pagedim[$this->page]['tm'] = $this->tMargin;
                                        }
                                }
                                $parent = $table_el;
                                break;
                        }
                        case 'a': {
                                $this->HREF = '';
                                break;
                        }
                        case 'sup': {
                                $this->SetXY($this->GetX(), $this->GetY() + ((0.7 * $parent['fontsize']) / $this->k));
                                break;
                        }
                        case 'sub': {
                                $this->SetXY($this->GetX(), $this->GetY() - ((0.3 * $parent['fontsize']) / $this->k));
                                break;
                        }
                        case 'div': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, false, $lasttag);
                                break;
                        }
                        case 'blockquote': {
                                if ($this->rtl) {
                                        $this->rMargin -= $this->listindent;
                                } else {
                                        $this->lMargin -= $this->listindent;
                                }
                                --$this->listindentlevel;
                                $this->addHTMLVertSpace($hbz, $hb, $cell, false, $lasttag);
                                break;
                        }
                        case 'p': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, false, $lasttag);
                                break;
                        }
                        case 'pre': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, false, $lasttag);
                                $this->premode = false;
                                break;
                        }
                        case 'dl': {
                                --$this->listnum;
                                if ($this->listnum <= 0) {
                                        $this->listnum = 0;
                                        $this->addHTMLVertSpace($hbz, $hb, $cell, false, $lasttag);
                                } else {
                                        $this->addHTMLVertSpace(0, 0, $cell, false, $lasttag);
                                }
                                $this->resetLastH();
                                break;
                        }
                        case 'dt': {
                                $this->lispacer = '';
                                $this->addHTMLVertSpace(0, 0, $cell, false, $lasttag);
                                break;
                        }
                        case 'dd': {
                                $this->lispacer = '';
                                if ($this->rtl) {
                                        $this->rMargin -= $this->listindent;
                                } else {
                                        $this->lMargin -= $this->listindent;
                                }
                                --$this->listindentlevel;
                                $this->addHTMLVertSpace(0, 0, $cell, false, $lasttag);
                                break;
                        }
                        case 'ul':
                        case 'ol': {
                                --$this->listnum;
                                $this->lispacer = '';
                                if ($this->rtl) {
                                        $this->rMargin -= $this->listindent;
                                } else {
                                        $this->lMargin -= $this->listindent;
                                }
                                --$this->listindentlevel;
                                if ($this->listnum <= 0) {
                                        $this->listnum = 0;
                                        $this->addHTMLVertSpace($hbz, $hb, $cell, false, $lasttag);
                                } else {
                                        $this->addHTMLVertSpace(0, 0, $cell, false, $lasttag);
                                }
                                $this->resetLastH();
                                break;
                        }
                        case 'li': {
                                $this->lispacer = '';
                                $this->addHTMLVertSpace(0, 0, $cell, false, $lasttag);
                                break;
                        }
                        case 'h1':
                        case 'h2':
                        case 'h3':
                        case 'h4':
                        case 'h5':
                        case 'h6': {
                                $this->addHTMLVertSpace($hbz, $hb, $cell, false, $lasttag);
                                break;
                        }
                        // Form fields (since 4.8.000 - 2009-09-07)
                        case 'form': {
                                $this->form_action = '';
                                $this->form_enctype = 'application/x-www-form-urlencoded';
                                break;
                        }
                        default : {
                                break;
                        }
                }
                // draw border and background (if any)
                $this->drawHTMLTagBorder($parent, $xmax);
                if (isset($dom[($dom[$key]['parent'])]['attribute']['pagebreakafter'])) {
                        $pba = $dom[($dom[$key]['parent'])]['attribute']['pagebreakafter'];
                        // check for pagebreak
                        if (($pba == 'true') OR ($pba == 'left') OR ($pba == 'right')) {
                                // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                $this->checkPageBreak($this->PageBreakTrigger + 1);
                        }
                        if ((($pba == 'left') AND (((!$this->rtl) AND (($this->page % 2) == 0)) OR (($this->rtl) AND (($this->page % 2) != 0))))
                                OR (($pba == 'right') AND (((!$this->rtl) AND (($this->page % 2) != 0)) OR (($this->rtl) AND (($this->page % 2) == 0))))) {
                                // add a page (or trig AcceptPageBreak() for multicolumn mode)
                                $this->checkPageBreak($this->PageBreakTrigger + 1);
                        }
                }
                $this->tmprtl = false;
                return $dom;
        }
 
        protected function addHTMLVertSpace($hbz=0, $hb=0, $cell=false, $firsttag=false, $lasttag=false) {
                if ($firsttag) {
                        $this->Ln(0, $cell);
                        $this->htmlvspace = 0;
                        return;
                }
                if ($lasttag) {
                        $this->Ln($hbz, $cell);
                        $this->htmlvspace = 0;
                        return;
                }
                if ($hb < $this->htmlvspace) {
                        $hd = 0;
                } else {
                        $hd = $hb - $this->htmlvspace;
                        $this->htmlvspace = $hb;
                }
                $this->Ln(($hbz + $hd), $cell);
        }
 
        protected function getBorderStartPosition() {
                if ($this->rtl) {
                        $xmax = $this->lMargin;
                } else {
                        $xmax = $this->w - $this->rMargin;
                }
                return array('page' => $this->page, 'column' => $this->current_column, 'x' => $this->x, 'y' => $this->y, 'xmax' => $xmax);
        }
 
        protected function drawHTMLTagBorder($tag, $xmax) {
                if (!isset($tag['borderposition'])) {
                        // nothing to draw
                        return;
                }
                $prev_x = $this->x;
                $prev_y = $this->y;
                $prev_lasth = $this->lasth;
                $border = 0;
                $fill = false;
                $this->lasth = 0;
                if (isset($tag['border']) AND !empty($tag['border'])) {
                        // get border style
                        $border = $tag['border'];
                        if (!TCPDF_STATIC::empty_string($this->thead) AND (!$this->inthead)) {
                                // border for table header
                                $border = TCPDF_STATIC::getBorderMode($border, $position='middle', $this->opencell);
                        }
                }
                if (isset($tag['bgcolor']) AND ($tag['bgcolor'] !== false)) {
                        // get background color
                        $old_bgcolor = $this->bgcolor;
                        $this->SetFillColorArray($tag['bgcolor']);
                        $fill = true;
                }
                if (!$border AND !$fill) {
                        // nothing to draw
                        return;
                }
                if (isset($tag['attribute']['cellspacing'])) {
                        $clsp = $this->getHTMLUnitToUnits($tag['attribute']['cellspacing'], 1, 'px');
                        $cellspacing = array('H' => $clsp, 'V' => $clsp);
                } elseif (isset($tag['border-spacing'])) {
                        $cellspacing = $tag['border-spacing'];
                } else {
                        $cellspacing = array('H' => 0, 'V' => 0);
                }
                if (($tag['value'] != 'table') AND (is_array($border)) AND (!empty($border))) {
                        // draw the border externally respect the sqare edge.
                        $border['mode'] = 'ext';
                }
                if ($this->rtl) {
                        if ($xmax >= $tag['borderposition']['x']) {
                                $xmax = $tag['borderposition']['xmax'];
                        }
                        $w = ($tag['borderposition']['x'] - $xmax);
                } else {
                        if ($xmax <= $tag['borderposition']['x']) {
                                $xmax = $tag['borderposition']['xmax'];
                        }
                        $w = ($xmax - $tag['borderposition']['x']);
                }
                if ($w <= 0) {
                        return;
                }
                $w += $cellspacing['H'];
                $startpage = $tag['borderposition']['page'];
                $startcolumn = $tag['borderposition']['column'];
                $x = $tag['borderposition']['x'];
                $y = $tag['borderposition']['y'];
                $endpage = $this->page;
                $starty = $tag['borderposition']['y'] - $cellspacing['V'];
                $currentY = $this->y;
                $this->x = $x;
                // get latest column
                $endcolumn = $this->current_column;
                if ($this->num_columns == 0) {
                        $this->num_columns = 1;
                }
                // get border modes
                $border_start = TCPDF_STATIC::getBorderMode($border, $position='start', $this->opencell);
                $border_end = TCPDF_STATIC::getBorderMode($border, $position='end', $this->opencell);
                $border_middle = TCPDF_STATIC::getBorderMode($border, $position='middle', $this->opencell);
                // temporary disable page regions
                $temp_page_regions = $this->page_regions;
                $this->page_regions = array();
                // design borders around HTML cells.
                for ($page = $startpage; $page <= $endpage; ++$page) { // for each page
                        $ccode = '';
                        $this->setPage($page);
                        if ($this->num_columns < 2) {
                                // single-column mode
                                $this->x = $x;
                                $this->y = $this->tMargin;
                        }
                        // account for margin changes
                        if ($page > $startpage) {
                                if (($this->rtl) AND ($this->pagedim[$page]['orm'] != $this->pagedim[$startpage]['orm'])) {
                                        $this->x -= ($this->pagedim[$page]['orm'] - $this->pagedim[$startpage]['orm']);
                                } elseif ((!$this->rtl) AND ($this->pagedim[$page]['olm'] != $this->pagedim[$startpage]['olm'])) {
                                        $this->x += ($this->pagedim[$page]['olm'] - $this->pagedim[$startpage]['olm']);
                                }
                        }
                        if ($startpage == $endpage) {
                                // single page
                                for ($column = $startcolumn; $column <= $endcolumn; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        if ($startcolumn == $endcolumn) { // single column
                                                $cborder = $border;
                                                $h = ($currentY - $y) + $cellspacing['V'];
                                                $this->y = $starty;
                                        } elseif ($column == $startcolumn) { // first column
                                                $cborder = $border_start;
                                                $this->y = $starty;
                                                $h = $this->h - $this->y - $this->bMargin;
                                        } elseif ($column == $endcolumn) { // end column
                                                $cborder = $border_end;
                                                $h = $currentY - $this->y;
                                        } else { // middle column
                                                $cborder = $border_middle;
                                                $h = $this->h - $this->y - $this->bMargin;
                                        }
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        } elseif ($page == $startpage) { // first page
                                for ($column = $startcolumn; $column < $this->num_columns; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        if ($column == $startcolumn) { // first column
                                                $cborder = $border_start;
                                                $this->y = $starty;
                                                $h = $this->h - $this->y - $this->bMargin;
                                        } else { // middle column
                                                $cborder = $border_middle;
                                                $h = $this->h - $this->y - $this->bMargin;
                                        }
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        } elseif ($page == $endpage) { // last page
                                for ($column = 0; $column <= $endcolumn; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        if ($column == $endcolumn) {
                                                // end column
                                                $cborder = $border_end;
                                                $h = $currentY - $this->y;
                                        } else {
                                                // middle column
                                                $cborder = $border_middle;
                                                $h = $this->h - $this->y - $this->bMargin;
                                        }
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        } else { // middle page
                                for ($column = 0; $column < $this->num_columns; ++$column) { // for each column
                                        $this->selectColumn($column);
                                        $cborder = $border_middle;
                                        $h = $this->h - $this->y - $this->bMargin;
                                        $ccode .= $this->getCellCode($w, $h, '', $cborder, 1, '', $fill, '', 0, true)."\n";
                                } // end for each column
                        }
                        if ($cborder OR $fill) {
                                $offsetlen = strlen($ccode);
                                // draw border and fill
                                if ($this->inxobj) {
                                        // we are inside an XObject template
                                        if (end($this->xobjects[$this->xobjid]['transfmrk']) !== false) {
                                                $pagemarkkey = key($this->xobjects[$this->xobjid]['transfmrk']);
                                                $pagemark = $this->xobjects[$this->xobjid]['transfmrk'][$pagemarkkey];
                                                $this->xobjects[$this->xobjid]['transfmrk'][$pagemarkkey] += $offsetlen;
                                        } else {
                                                $pagemark = $this->xobjects[$this->xobjid]['intmrk'];
                                                $this->xobjects[$this->xobjid]['intmrk'] += $offsetlen;
                                        }
                                        $pagebuff = $this->xobjects[$this->xobjid]['outdata'];
                                        $pstart = substr($pagebuff, 0, $pagemark);
                                        $pend = substr($pagebuff, $pagemark);
                                        $this->xobjects[$this->xobjid]['outdata'] = $pstart.$ccode.$pend;
                                } else {
                                        if (end($this->transfmrk[$this->page]) !== false) {
                                                $pagemarkkey = key($this->transfmrk[$this->page]);
                                                $pagemark = $this->transfmrk[$this->page][$pagemarkkey];
                                        } elseif ($this->InFooter) {
                                                $pagemark = $this->footerpos[$this->page];
                                        } else {
                                                $pagemark = $this->intmrk[$this->page];
                                        }
                                        $pagebuff = $this->getPageBuffer($this->page);
                                        $pstart = substr($pagebuff, 0, $pagemark);
                                        $pend = substr($pagebuff, $pagemark);
                                        $this->setPageBuffer($this->page, $pstart.$ccode.$pend);
                                        $this->bordermrk[$this->page] += $offsetlen;
                                        $this->cntmrk[$this->page] += $offsetlen;
                                }
                        }
                } // end for each page
                // restore page regions
                $this->page_regions = $temp_page_regions;
                if (isset($old_bgcolor)) {
                        // restore background color
                        $this->SetFillColorArray($old_bgcolor);
                }
                // restore pointer position
                $this->x = $prev_x;
                $this->y = $prev_y;
                $this->lasth = $prev_lasth;
        }
 
        public function setLIsymbol($symbol='!') {
                // check for custom image symbol
                if (substr($symbol, 0, 4) == 'img|') {
                        $this->lisymbol = $symbol;
                        return;
                }
                $symbol = strtolower($symbol);
                $valid_symbols = array('!', '#', 'disc', 'circle', 'square', '1', 'decimal', 'decimal-leading-zero', 'i', 'lower-roman', 'I', 'upper-roman', 'a', 'lower-alpha', 'lower-latin', 'A', 'upper-alpha', 'upper-latin', 'lower-greek');
                if (in_array($symbol, $valid_symbols)) {
                        $this->lisymbol = $symbol;
                } else {
                        $this->lisymbol = '';
                }
        }
 
        public function SetBooklet($booklet=true, $inner=-1, $outer=-1) {
                $this->booklet = $booklet;
                if ($inner >= 0) {
                        $this->lMargin = $inner;
                }
                if ($outer >= 0) {
                        $this->rMargin = $outer;
                }
        }
 
        protected function swapMargins($reverse=true) {
                if ($reverse) {
                        // swap left and right margins
                        $mtemp = $this->original_lMargin;
                        $this->original_lMargin = $this->original_rMargin;
                        $this->original_rMargin = $mtemp;
                        $deltam = $this->original_lMargin - $this->original_rMargin;
                        $this->lMargin += $deltam;
                        $this->rMargin -= $deltam;
                }
        }
 
        public function setHtmlVSpace($tagvs) {
                $this->tagvspaces = $tagvs;
        }
 
        public function setListIndentWidth($width) {
                return $this->customlistindent = floatval($width);
        }
 
        public function setOpenCell($isopen) {
                $this->opencell = $isopen;
        }
 
        public function setHtmlLinksStyle($color=array(0,0,255), $fontstyle='U') {
                $this->htmlLinkColorArray = $color;
                $this->htmlLinkFontStyle = $fontstyle;
        }
 
        public function getHTMLUnitToUnits($htmlval, $refsize=1, $defaultunit='px', $points=false) {
                $supportedunits = array('%', 'em', 'ex', 'px', 'in', 'cm', 'mm', 'pc', 'pt');
                $retval = 0;
                $value = 0;
                $unit = 'px';
                if ($points) {
                        $k = 1;
                } else {
                        $k = $this->k;
                }
                if (in_array($defaultunit, $supportedunits)) {
                        $unit = $defaultunit;
                }
                if (is_numeric($htmlval)) {
                        $value = floatval($htmlval);
                } elseif (preg_match('/([0-9\.\-\+]+)/', $htmlval, $mnum)) {
                        $value = floatval($mnum[1]);
                        if (preg_match('/([a-z%]+)/', $htmlval, $munit)) {
                                if (in_array($munit[1], $supportedunits)) {
                                        $unit = $munit[1];
                                }
                        }
                }
                switch ($unit) {
                        // percentage
                        case '%': {
                                $retval = (($value * $refsize) / 100);
                                break;
                        }
                        // relative-size
                        case 'em': {
                                $retval = ($value * $refsize);
                                break;
                        }
                        // height of lower case 'x' (about half the font-size)
                        case 'ex': {
                                $retval = ($value * ($refsize / 2));
                                break;
                        }
                        // absolute-size
                        case 'in': {
                                $retval = (($value * $this->dpi) / $k);
                                break;
                        }
                        // centimeters
                        case 'cm': {
                                $retval = (($value / 2.54 * $this->dpi) / $k);
                                break;
                        }
                        // millimeters
                        case 'mm': {
                                $retval = (($value / 25.4 * $this->dpi) / $k);
                                break;
                        }
                        // one pica is 12 points
                        case 'pc': {
                                $retval = (($value * 12) / $k);
                                break;
                        }
                        // points
                        case 'pt': {
                                $retval = ($value / $k);
                                break;
                        }
                        // pixels
                        case 'px': {
                                $retval = $this->pixelsToUnits($value);
                                if ($points) {
                                        $retval *= $this->k;
                                }
                                break;
                        }
                }
                return $retval;
        }
 
        protected function putHtmlListBullet($listdepth, $listtype='', $size=10) {
                if ($this->state != 2) {
                        return;
                }
                $size /= $this->k;
                $fill = '';
                $bgcolor = $this->bgcolor;
                $color = $this->fgcolor;
                $strokecolor = $this->strokecolor;
                $width = 0;
                $textitem = '';
                $tmpx = $this->x;
                $lspace = $this->GetStringWidth('  ');
                if ($listtype == '^') {
                        // special symbol used for avoid justification of rect bullet
                        $this->lispacer = '';
                        return;
                } elseif ($listtype == '!') {
                        // set default list type for unordered list
                        $deftypes = array('disc', 'circle', 'square');
                        $listtype = $deftypes[($listdepth - 1) % 3];
                } elseif ($listtype == '#') {
                        // set default list type for ordered list
                        $listtype = 'decimal';
                } elseif (substr($listtype, 0, 4) == 'img|') {
                        // custom image type ('img|type|width|height|image.ext')
                        $img = explode('|', $listtype);
                        $listtype = 'img';
                }
                switch ($listtype) {
                        // unordered types
                        case 'none': {
                                break;
                        }
                        case 'disc': {
                                $r = $size / 6;
                                $lspace += (2 * $r);
                                if ($this->rtl) {
                                        $this->x += $lspace;
                                } else {
                                        $this->x -= $lspace;
                                }
                                $this->Circle(($this->x + $r), ($this->y + ($this->lasth / 2)), $r, 0, 360, 'F', array(), $color, 8);
                                break;
                        }
                        case 'circle': {
                                $r = $size / 6;
                                $lspace += (2 * $r);
                                if ($this->rtl) {
                                        $this->x += $lspace;
                                } else {
                                        $this->x -= $lspace;
                                }
                                $prev_line_style = $this->linestyleWidth.' '.$this->linestyleCap.' '.$this->linestyleJoin.' '.$this->linestyleDash.' '.$this->DrawColor;
                                $new_line_style = array('width' => ($r / 3), 'cap' => 'butt', 'join' => 'miter', 'dash' => 0, 'phase' => 0, 'color'=>$color);
                                $this->Circle(($this->x + $r), ($this->y + ($this->lasth / 2)), ($r * (1 - (1/6))), 0, 360, 'D', $new_line_style, array(), 8);
                                $this->_out($prev_line_style); // restore line settings
                                break;
                        }
                        case 'square': {
                                $l = $size / 3;
                                $lspace += $l;
                                if ($this->rtl) {;
                                        $this->x += $lspace;
                                } else {
                                        $this->x -= $lspace;
                                }
                                $this->Rect($this->x, ($this->y + (($this->lasth - $l) / 2)), $l, $l, 'F', array(), $color);
                                break;
                        }
                        case 'img': {
                                // 1=>type, 2=>width, 3=>height, 4=>image.ext
                                $lspace += $img[2];
                                if ($this->rtl) {;
                                        $this->x += $lspace;
                                } else {
                                        $this->x -= $lspace;
                                }
                                $imgtype = strtolower($img[1]);
                                $prev_y = $this->y;
                                switch ($imgtype) {
                                        case 'svg': {
                                                $this->ImageSVG($img[4], $this->x, ($this->y + (($this->lasth - $img[3]) / 2)), $img[2], $img[3], '', 'T', '', 0, false);
                                                break;
                                        }
                                        case 'ai':
                                        case 'eps': {
                                                $this->ImageEps($img[4], $this->x, ($this->y + (($this->lasth - $img[3]) / 2)), $img[2], $img[3], '', true, 'T', '', 0, false);
                                                break;
                                        }
                                        default: {
                                                $this->Image($img[4], $this->x, ($this->y + (($this->lasth - $img[3]) / 2)), $img[2], $img[3], $img[1], '', 'T', false, 300, '', false, false, 0, false, false, false);
                                                break;
                                        }
                                }
                                $this->y = $prev_y;
                                break;
                        }
                        // ordered types
                        // $this->listcount[$this->listnum];
                        // $textitem
                        case '1':
                        case 'decimal': {
                                $textitem = $this->listcount[$this->listnum];
                                break;
                        }
                        case 'decimal-leading-zero': {
                                $textitem = sprintf('%02d', $this->listcount[$this->listnum]);
                                break;
                        }
                        case 'i':
                        case 'lower-roman': {
                                $textitem = strtolower(TCPDF_STATIC::intToRoman($this->listcount[$this->listnum]));
                                break;
                        }
                        case 'I':
                        case 'upper-roman': {
                                $textitem = TCPDF_STATIC::intToRoman($this->listcount[$this->listnum]);
                                break;
                        }
                        case 'a':
                        case 'lower-alpha':
                        case 'lower-latin': {
                                $textitem = chr(97 + $this->listcount[$this->listnum] - 1);
                                break;
                        }
                        case 'A':
                        case 'upper-alpha':
                        case 'upper-latin': {
                                $textitem = chr(65 + $this->listcount[$this->listnum] - 1);
                                break;
                        }
                        case 'lower-greek': {
                                $textitem = TCPDF_FONTS::unichr((945 + $this->listcount[$this->listnum] - 1), $this->isunicode);
                                break;
                        }
                        /*
                        // Types to be implemented (special handling)
                        case 'hebrew': {
                                break;
                        }
                        case 'armenian': {
                                break;
                        }
                        case 'georgian': {
                                break;
                        }
                        case 'cjk-ideographic': {
                                break;
                        }
                        case 'hiragana': {
                                break;
                        }
                        case 'katakana': {
                                break;
                        }
                        case 'hiragana-iroha': {
                                break;
                        }
                        case 'katakana-iroha': {
                                break;
                        }
                        */
                        default: {
                                $textitem = $this->listcount[$this->listnum];
                        }
                }
                if (!TCPDF_STATIC::empty_string($textitem)) {
                        // Check whether we need a new page or new column
                        $prev_y = $this->y;
                        $h = $this->getCellHeight($this->FontSize);
                        if ($this->checkPageBreak($h) OR ($this->y < $prev_y)) {
                                $tmpx = $this->x;
                        }
                        // print ordered item
                        if ($this->rtl) {
                                $textitem = '.'.$textitem;
                        } else {
                                $textitem = $textitem.'.';
                        }
                        $lspace += $this->GetStringWidth($textitem);
                        if ($this->rtl) {
                                $this->x += $lspace;
                        } else {
                                $this->x -= $lspace;
                        }
                        $this->Write($this->lasth, $textitem, '', false, '', false, 0, false);
                }
                $this->x = $tmpx;
                $this->lispacer = '^';
                // restore colors
                $this->SetFillColorArray($bgcolor);
                $this->SetDrawColorArray($strokecolor);
                $this->SettextColorArray($color);
        }
 
        protected function getGraphicVars() {
                $grapvars = array(
                        'FontFamily' => $this->FontFamily,
                        'FontStyle' => $this->FontStyle,
                        'FontSizePt' => $this->FontSizePt,
                        'rMargin' => $this->rMargin,
                        'lMargin' => $this->lMargin,
                        'cell_padding' => $this->cell_padding,
                        'cell_margin' => $this->cell_margin,
                        'LineWidth' => $this->LineWidth,
                        'linestyleWidth' => $this->linestyleWidth,
                        'linestyleCap' => $this->linestyleCap,
                        'linestyleJoin' => $this->linestyleJoin,
                        'linestyleDash' => $this->linestyleDash,
                        'textrendermode' => $this->textrendermode,
                        'textstrokewidth' => $this->textstrokewidth,
                        'DrawColor' => $this->DrawColor,
                        'FillColor' => $this->FillColor,
                        'TextColor' => $this->TextColor,
                        'ColorFlag' => $this->ColorFlag,
                        'bgcolor' => $this->bgcolor,
                        'fgcolor' => $this->fgcolor,
                        'htmlvspace' => $this->htmlvspace,
                        'listindent' => $this->listindent,
                        'listindentlevel' => $this->listindentlevel,
                        'listnum' => $this->listnum,
                        'listordered' => $this->listordered,
                        'listcount' => $this->listcount,
                        'lispacer' => $this->lispacer,
                        'cell_height_ratio' => $this->cell_height_ratio,
                        'font_stretching' => $this->font_stretching,
                        'font_spacing' => $this->font_spacing,
                        'alpha' => $this->alpha,
                        // extended
                        'lasth' => $this->lasth,
                        'tMargin' => $this->tMargin,
                        'bMargin' => $this->bMargin,
                        'AutoPageBreak' => $this->AutoPageBreak,
                        'PageBreakTrigger' => $this->PageBreakTrigger,
                        'x' => $this->x,
                        'y' => $this->y,
                        'w' => $this->w,
                        'h' => $this->h,
                        'wPt' => $this->wPt,
                        'hPt' => $this->hPt,
                        'fwPt' => $this->fwPt,
                        'fhPt' => $this->fhPt,
                        'page' => $this->page,
                        'current_column' => $this->current_column,
                        'num_columns' => $this->num_columns
                        );
                return $grapvars;
        }
 
        protected function setGraphicVars($gvars, $extended=false) {
                if ($this->state != 2) {
                         return;
                }
                $this->FontFamily = $gvars['FontFamily'];
                $this->FontStyle = $gvars['FontStyle'];
                $this->FontSizePt = $gvars['FontSizePt'];
                $this->rMargin = $gvars['rMargin'];
                $this->lMargin = $gvars['lMargin'];
                $this->cell_padding = $gvars['cell_padding'];
                $this->cell_margin = $gvars['cell_margin'];
                $this->LineWidth = $gvars['LineWidth'];
                $this->linestyleWidth = $gvars['linestyleWidth'];
                $this->linestyleCap = $gvars['linestyleCap'];
                $this->linestyleJoin = $gvars['linestyleJoin'];
                $this->linestyleDash = $gvars['linestyleDash'];
                $this->textrendermode = $gvars['textrendermode'];
                $this->textstrokewidth = $gvars['textstrokewidth'];
                $this->DrawColor = $gvars['DrawColor'];
                $this->FillColor = $gvars['FillColor'];
                $this->TextColor = $gvars['TextColor'];
                $this->ColorFlag = $gvars['ColorFlag'];
                $this->bgcolor = $gvars['bgcolor'];
                $this->fgcolor = $gvars['fgcolor'];
                $this->htmlvspace = $gvars['htmlvspace'];
                $this->listindent = $gvars['listindent'];
                $this->listindentlevel = $gvars['listindentlevel'];
                $this->listnum = $gvars['listnum'];
                $this->listordered = $gvars['listordered'];
                $this->listcount = $gvars['listcount'];
                $this->lispacer = $gvars['lispacer'];
                $this->cell_height_ratio = $gvars['cell_height_ratio'];
                $this->font_stretching = $gvars['font_stretching'];
                $this->font_spacing = $gvars['font_spacing'];
                $this->alpha = $gvars['alpha'];
                if ($extended) {
                        // restore extended values
                        $this->lasth = $gvars['lasth'];
                        $this->tMargin = $gvars['tMargin'];
                        $this->bMargin = $gvars['bMargin'];
                        $this->AutoPageBreak = $gvars['AutoPageBreak'];
                        $this->PageBreakTrigger = $gvars['PageBreakTrigger'];
                        $this->x = $gvars['x'];
                        $this->y = $gvars['y'];
                        $this->w = $gvars['w'];
                        $this->h = $gvars['h'];
                        $this->wPt = $gvars['wPt'];
                        $this->hPt = $gvars['hPt'];
                        $this->fwPt = $gvars['fwPt'];
                        $this->fhPt = $gvars['fhPt'];
                        $this->page = $gvars['page'];
                        $this->current_column = $gvars['current_column'];
                        $this->num_columns = $gvars['num_columns'];
                }
                $this->_out(''.$this->linestyleWidth.' '.$this->linestyleCap.' '.$this->linestyleJoin.' '.$this->linestyleDash.' '.$this->DrawColor.' '.$this->FillColor.'');
                if (!TCPDF_STATIC::empty_string($this->FontFamily)) {
                        $this->SetFont($this->FontFamily, $this->FontStyle, $this->FontSizePt);
                }
        }
 
        protected function _outSaveGraphicsState() {
                $this->_out('q');
        }
 
        protected function _outRestoreGraphicsState() {
                $this->_out('Q');
        }
 
        protected function setBuffer($data) {
                $this->bufferlen += strlen($data);
                $this->buffer .= $data;
        }
 
        protected function replaceBuffer($data) {
                $this->bufferlen = strlen($data);
                $this->buffer = $data;
        }
 
        protected function getBuffer() {
                return $this->buffer;
        }
 
        protected function setPageBuffer($page, $data, $append=false) {
                if ($append) {
                        $this->pages[$page] .= $data;
                } else {
                        $this->pages[$page] = $data;
                }
                if ($append AND isset($this->pagelen[$page])) {
                        $this->pagelen[$page] += strlen($data);
                } else {
                        $this->pagelen[$page] = strlen($data);
                }
        }
 
        protected function getPageBuffer($page) {
                if (isset($this->pages[$page])) {
                        return $this->pages[$page];
                }
                return false;
        }
 
        protected function setImageBuffer($image, $data) {
                if (($data['i'] = array_search($image, $this->imagekeys)) === FALSE) {
                        $this->imagekeys[$this->numimages] = $image;
                        $data['i'] = $this->numimages;
                        ++$this->numimages;
                }
                $this->images[$image] = $data;
                return $data['i'];
        }
 
        protected function setImageSubBuffer($image, $key, $data) {
                if (!isset($this->images[$image])) {
                        $this->setImageBuffer($image, array());
                }
                $this->images[$image][$key] = $data;
        }
 
        protected function getImageBuffer($image) {
                if (isset($this->images[$image])) {
                        return $this->images[$image];
                }
                return false;
        }
 
        protected function setFontBuffer($font, $data) {
                $this->fonts[$font] = $data;
                if (!in_array($font, $this->fontkeys)) {
                        $this->fontkeys[] = $font;
                        // store object ID for current font
                        ++$this->n;
                        $this->font_obj_ids[$font] = $this->n;
                        $this->setFontSubBuffer($font, 'n', $this->n);
                }
        }
 
        protected function setFontSubBuffer($font, $key, $data) {
                if (!isset($this->fonts[$font])) {
                        $this->setFontBuffer($font, array());
                }
                $this->fonts[$font][$key] = $data;
        }
 
        protected function getFontBuffer($font) {
                if (isset($this->fonts[$font])) {
                        return $this->fonts[$font];
                }
                return false;
        }
 
        public function movePage($frompage, $topage) {
                if (($frompage > $this->numpages) OR ($frompage <= $topage)) {
                        return false;
                }
                if ($frompage == $this->page) {
                        // close the page before moving it
                        $this->endPage();
                }
                // move all page-related states
                $tmppage = $this->getPageBuffer($frompage);
                $tmppagedim = $this->pagedim[$frompage];
                $tmppagelen = $this->pagelen[$frompage];
                $tmpintmrk = $this->intmrk[$frompage];
                $tmpbordermrk = $this->bordermrk[$frompage];
                $tmpcntmrk = $this->cntmrk[$frompage];
                $tmppageobjects = $this->pageobjects[$frompage];
                if (isset($this->footerpos[$frompage])) {
                        $tmpfooterpos = $this->footerpos[$frompage];
                }
                if (isset($this->footerlen[$frompage])) {
                        $tmpfooterlen = $this->footerlen[$frompage];
                }
                if (isset($this->transfmrk[$frompage])) {
                        $tmptransfmrk = $this->transfmrk[$frompage];
                }
                if (isset($this->PageAnnots[$frompage])) {
                        $tmpannots = $this->PageAnnots[$frompage];
                }
                if (isset($this->newpagegroup) AND !empty($this->newpagegroup)) {
                        for ($i = $frompage; $i > $topage; --$i) {
                                if (isset($this->newpagegroup[$i]) AND (($i + $this->pagegroups[$this->newpagegroup[$i]]) > $frompage)) {
                                        --$this->pagegroups[$this->newpagegroup[$i]];
                                        break;
                                }
                        }
                        for ($i = $topage; $i > 0; --$i) {
                                if (isset($this->newpagegroup[$i]) AND (($i + $this->pagegroups[$this->newpagegroup[$i]]) > $topage)) {
                                        ++$this->pagegroups[$this->newpagegroup[$i]];
                                        break;
                                }
                        }
                }
                for ($i = $frompage; $i > $topage; --$i) {
                        $j = $i - 1;
                        // shift pages down
                        $this->setPageBuffer($i, $this->getPageBuffer($j));
                        $this->pagedim[$i] = $this->pagedim[$j];
                        $this->pagelen[$i] = $this->pagelen[$j];
                        $this->intmrk[$i] = $this->intmrk[$j];
                        $this->bordermrk[$i] = $this->bordermrk[$j];
                        $this->cntmrk[$i] = $this->cntmrk[$j];
                        $this->pageobjects[$i] = $this->pageobjects[$j];
                        if (isset($this->footerpos[$j])) {
                                $this->footerpos[$i] = $this->footerpos[$j];
                        } elseif (isset($this->footerpos[$i])) {
                                unset($this->footerpos[$i]);
                        }
                        if (isset($this->footerlen[$j])) {
                                $this->footerlen[$i] = $this->footerlen[$j];
                        } elseif (isset($this->footerlen[$i])) {
                                unset($this->footerlen[$i]);
                        }
                        if (isset($this->transfmrk[$j])) {
                                $this->transfmrk[$i] = $this->transfmrk[$j];
                        } elseif (isset($this->transfmrk[$i])) {
                                unset($this->transfmrk[$i]);
                        }
                        if (isset($this->PageAnnots[$j])) {
                                $this->PageAnnots[$i] = $this->PageAnnots[$j];
                        } elseif (isset($this->PageAnnots[$i])) {
                                unset($this->PageAnnots[$i]);
                        }
                        if (isset($this->newpagegroup[$j])) {
                                $this->newpagegroup[$i] = $this->newpagegroup[$j];
                                unset($this->newpagegroup[$j]);
                        }
                        if ($this->currpagegroup == $j) {
                                $this->currpagegroup = $i;
                        }
                }
                $this->setPageBuffer($topage, $tmppage);
                $this->pagedim[$topage] = $tmppagedim;
                $this->pagelen[$topage] = $tmppagelen;
                $this->intmrk[$topage] = $tmpintmrk;
                $this->bordermrk[$topage] = $tmpbordermrk;
                $this->cntmrk[$topage] = $tmpcntmrk;
                $this->pageobjects[$topage] = $tmppageobjects;
                if (isset($tmpfooterpos)) {
                        $this->footerpos[$topage] = $tmpfooterpos;
                } elseif (isset($this->footerpos[$topage])) {
                        unset($this->footerpos[$topage]);
                }
                if (isset($tmpfooterlen)) {
                        $this->footerlen[$topage] = $tmpfooterlen;
                } elseif (isset($this->footerlen[$topage])) {
                        unset($this->footerlen[$topage]);
                }
                if (isset($tmptransfmrk)) {
                        $this->transfmrk[$topage] = $tmptransfmrk;
                } elseif (isset($this->transfmrk[$topage])) {
                        unset($this->transfmrk[$topage]);
                }
                if (isset($tmpannots)) {
                        $this->PageAnnots[$topage] = $tmpannots;
                } elseif (isset($this->PageAnnots[$topage])) {
                        unset($this->PageAnnots[$topage]);
                }
                // adjust outlines
                $tmpoutlines = $this->outlines;
                foreach ($tmpoutlines as $key => $outline) {
                        if (!$outline['f']) {
                                if (($outline['p'] >= $topage) AND ($outline['p'] < $frompage)) {
                                        $this->outlines[$key]['p'] = ($outline['p'] + 1);
                                } elseif ($outline['p'] == $frompage) {
                                        $this->outlines[$key]['p'] = $topage;
                                }
                        }
                }
                // adjust dests
                $tmpdests = $this->dests;
                foreach ($tmpdests as $key => $dest) {
                        if (!$dest['f']) {
                                if (($dest['p'] >= $topage) AND ($dest['p'] < $frompage)) {
                                        $this->dests[$key]['p'] = ($dest['p'] + 1);
                                } elseif ($dest['p'] == $frompage) {
                                        $this->dests[$key]['p'] = $topage;
                                }
                        }
                }
                // adjust links
                $tmplinks = $this->links;
                foreach ($tmplinks as $key => $link) {
                        if (!$link['f']) {
                                if (($link['p'] >= $topage) AND ($link['p'] < $frompage)) {
                                        $this->links[$key]['p'] = ($link['p'] + 1);
                                } elseif ($link['p'] == $frompage) {
                                        $this->links[$key]['p'] = $topage;
                                }
                        }
                }
                // adjust javascript
                $jfrompage = $frompage;
                $jtopage = $topage;
                if (preg_match_all('/this\.addField\‍(\'([^\']*)\',\'([^\']*)\',([0-9]+)/', $this->javascript, $pamatch) > 0) {
                        foreach($pamatch[0] as $pk => $pmatch) {
                                $pagenum = intval($pamatch[3][$pk]) + 1;
                                if (($pagenum >= $jtopage) AND ($pagenum < $jfrompage)) {
                                        $newpage = ($pagenum + 1);
                                } elseif ($pagenum == $jfrompage) {
                                        $newpage = $jtopage;
                                } else {
                                        $newpage = $pagenum;
                                }
                                --$newpage;
                                $newjs = "this.addField(\'".$pamatch[1][$pk]."\',\'".$pamatch[2][$pk]."\',".$newpage;
                                $this->javascript = str_replace($pmatch, $newjs, $this->javascript);
                        }
                        unset($pamatch);
                }
                // return to last page
                $this->lastPage(true);
                return true;
        }
 
        public function deletePage($page) {
                if (($page < 1) OR ($page > $this->numpages)) {
                        return false;
                }
                // delete current page
                unset($this->pages[$page]);
                unset($this->pagedim[$page]);
                unset($this->pagelen[$page]);
                unset($this->intmrk[$page]);
                unset($this->bordermrk[$page]);
                unset($this->cntmrk[$page]);
                foreach ($this->pageobjects[$page] as $oid) {
                        if (isset($this->offsets[$oid])){
                                unset($this->offsets[$oid]);
                        }
                }
                unset($this->pageobjects[$page]);
                if (isset($this->footerpos[$page])) {
                        unset($this->footerpos[$page]);
                }
                if (isset($this->footerlen[$page])) {
                        unset($this->footerlen[$page]);
                }
                if (isset($this->transfmrk[$page])) {
                        unset($this->transfmrk[$page]);
                }
                if (isset($this->PageAnnots[$page])) {
                        unset($this->PageAnnots[$page]);
                }
                if (isset($this->newpagegroup) AND !empty($this->newpagegroup)) {
                        for ($i = $page; $i > 0; --$i) {
                                if (isset($this->newpagegroup[$i]) AND (($i + $this->pagegroups[$this->newpagegroup[$i]]) > $page)) {
                                        --$this->pagegroups[$this->newpagegroup[$i]];
                                        break;
                                }
                        }
                }
                if (isset($this->pageopen[$page])) {
                        unset($this->pageopen[$page]);
                }
                if ($page < $this->numpages) {
                        // update remaining pages
                        for ($i = $page; $i < $this->numpages; ++$i) {
                                $j = $i + 1;
                                // shift pages
                                $this->setPageBuffer($i, $this->getPageBuffer($j));
                                $this->pagedim[$i] = $this->pagedim[$j];
                                $this->pagelen[$i] = $this->pagelen[$j];
                                $this->intmrk[$i] = $this->intmrk[$j];
                                $this->bordermrk[$i] = $this->bordermrk[$j];
                                $this->cntmrk[$i] = $this->cntmrk[$j];
                                $this->pageobjects[$i] = $this->pageobjects[$j];
                                if (isset($this->footerpos[$j])) {
                                        $this->footerpos[$i] = $this->footerpos[$j];
                                } elseif (isset($this->footerpos[$i])) {
                                        unset($this->footerpos[$i]);
                                }
                                if (isset($this->footerlen[$j])) {
                                        $this->footerlen[$i] = $this->footerlen[$j];
                                } elseif (isset($this->footerlen[$i])) {
                                        unset($this->footerlen[$i]);
                                }
                                if (isset($this->transfmrk[$j])) {
                                        $this->transfmrk[$i] = $this->transfmrk[$j];
                                } elseif (isset($this->transfmrk[$i])) {
                                        unset($this->transfmrk[$i]);
                                }
                                if (isset($this->PageAnnots[$j])) {
                                        $this->PageAnnots[$i] = $this->PageAnnots[$j];
                                } elseif (isset($this->PageAnnots[$i])) {
                                        unset($this->PageAnnots[$i]);
                                }
                                if (isset($this->newpagegroup[$j])) {
                                        $this->newpagegroup[$i] = $this->newpagegroup[$j];
                                        unset($this->newpagegroup[$j]);
                                }
                                if ($this->currpagegroup == $j) {
                                        $this->currpagegroup = $i;
                                }
                                if (isset($this->pageopen[$j])) {
                                        $this->pageopen[$i] = $this->pageopen[$j];
                                } elseif (isset($this->pageopen[$i])) {
                                        unset($this->pageopen[$i]);
                                }
                        }
                        // remove last page
                        unset($this->pages[$this->numpages]);
                        unset($this->pagedim[$this->numpages]);
                        unset($this->pagelen[$this->numpages]);
                        unset($this->intmrk[$this->numpages]);
                        unset($this->bordermrk[$this->numpages]);
                        unset($this->cntmrk[$this->numpages]);
                        foreach ($this->pageobjects[$this->numpages] as $oid) {
                                if (isset($this->offsets[$oid])){
                                        unset($this->offsets[$oid]);
                                }
                        }
                        unset($this->pageobjects[$this->numpages]);
                        if (isset($this->footerpos[$this->numpages])) {
                                unset($this->footerpos[$this->numpages]);
                        }
                        if (isset($this->footerlen[$this->numpages])) {
                                unset($this->footerlen[$this->numpages]);
                        }
                        if (isset($this->transfmrk[$this->numpages])) {
                                unset($this->transfmrk[$this->numpages]);
                        }
                        if (isset($this->PageAnnots[$this->numpages])) {
                                unset($this->PageAnnots[$this->numpages]);
                        }
                        if (isset($this->newpagegroup[$this->numpages])) {
                                unset($this->newpagegroup[$this->numpages]);
                        }
                        if ($this->currpagegroup == $this->numpages) {
                                $this->currpagegroup = ($this->numpages - 1);
                        }
                        if (isset($this->pagegroups[$this->numpages])) {
                                unset($this->pagegroups[$this->numpages]);
                        }
                        if (isset($this->pageopen[$this->numpages])) {
                                unset($this->pageopen[$this->numpages]);
                        }
                }
                --$this->numpages;
                $this->page = $this->numpages;
                // adjust outlines
                $tmpoutlines = $this->outlines;
                foreach ($tmpoutlines as $key => $outline) {
                        if (!$outline['f']) {
                                if ($outline['p'] > $page) {
                                        $this->outlines[$key]['p'] = $outline['p'] - 1;
                                } elseif ($outline['p'] == $page) {
                                        unset($this->outlines[$key]);
                                }
                        }
                }
                // adjust dests
                $tmpdests = $this->dests;
                foreach ($tmpdests as $key => $dest) {
                        if (!$dest['f']) {
                                if ($dest['p'] > $page) {
                                        $this->dests[$key]['p'] = $dest['p'] - 1;
                                } elseif ($dest['p'] == $page) {
                                        unset($this->dests[$key]);
                                }
                        }
                }
                // adjust links
                $tmplinks = $this->links;
                foreach ($tmplinks as $key => $link) {
                        if (!$link['f']) {
                                if ($link['p'] > $page) {
                                        $this->links[$key]['p'] = $link['p'] - 1;
                                } elseif ($link['p'] == $page) {
                                        unset($this->links[$key]);
                                }
                        }
                }
                // adjust javascript
                $jpage = $page;
                if (preg_match_all('/this\.addField\‍(\'([^\']*)\',\'([^\']*)\',([0-9]+)/', $this->javascript, $pamatch) > 0) {
                        foreach($pamatch[0] as $pk => $pmatch) {
                                $pagenum = intval($pamatch[3][$pk]) + 1;
                                if ($pagenum >= $jpage) {
                                        $newpage = ($pagenum - 1);
                                } elseif ($pagenum == $jpage) {
                                        $newpage = 1;
                                } else {
                                        $newpage = $pagenum;
                                }
                                --$newpage;
                                $newjs = "this.addField(\'".$pamatch[1][$pk]."\',\'".$pamatch[2][$pk]."\',".$newpage;
                                $this->javascript = str_replace($pmatch, $newjs, $this->javascript);
                        }
                        unset($pamatch);
                }
                // return to last page
                if ($this->numpages > 0) {
                        $this->lastPage(true);
                }
                return true;
        }
 
        public function copyPage($page=0) {
                if ($page == 0) {
                        // default value
                        $page = $this->page;
                }
                if (($page < 1) OR ($page > $this->numpages)) {
                        return false;
                }
                // close the last page
                $this->endPage();
                // copy all page-related states
                ++$this->numpages;
                $this->page = $this->numpages;
                $this->setPageBuffer($this->page, $this->getPageBuffer($page));
                $this->pagedim[$this->page] = $this->pagedim[$page];
                $this->pagelen[$this->page] = $this->pagelen[$page];
                $this->intmrk[$this->page] = $this->intmrk[$page];
                $this->bordermrk[$this->page] = $this->bordermrk[$page];
                $this->cntmrk[$this->page] = $this->cntmrk[$page];
                $this->pageobjects[$this->page] = $this->pageobjects[$page];
                $this->pageopen[$this->page] = false;
                if (isset($this->footerpos[$page])) {
                        $this->footerpos[$this->page] = $this->footerpos[$page];
                }
                if (isset($this->footerlen[$page])) {
                        $this->footerlen[$this->page] = $this->footerlen[$page];
                }
                if (isset($this->transfmrk[$page])) {
                        $this->transfmrk[$this->page] = $this->transfmrk[$page];
                }
                if (isset($this->PageAnnots[$page])) {
                        $this->PageAnnots[$this->page] = $this->PageAnnots[$page];
                }
                if (isset($this->newpagegroup[$page])) {
                        // start a new group
                        $this->newpagegroup[$this->page] = sizeof($this->newpagegroup) + 1;
                        $this->currpagegroup = $this->newpagegroup[$this->page];
                        $this->pagegroups[$this->currpagegroup] = 1;
                } elseif (isset($this->currpagegroup) AND ($this->currpagegroup > 0)) {
                        ++$this->pagegroups[$this->currpagegroup];
                }
                // copy outlines
                $tmpoutlines = $this->outlines;
                foreach ($tmpoutlines as $key => $outline) {
                        if ($outline['p'] == $page) {
                                $this->outlines[] = array('t' => $outline['t'], 'l' => $outline['l'], 'x' => $outline['x'], 'y' => $outline['y'], 'p' => $this->page, 'f' => $outline['f'], 's' => $outline['s'], 'c' => $outline['c']);
                        }
                }
                // copy links
                $tmplinks = $this->links;
                foreach ($tmplinks as $key => $link) {
                        if ($link['p'] == $page) {
                                $this->links[] = array('p' => $this->page, 'y' => $link['y'], 'f' => $link['f']);
                        }
                }
                // return to last page
                $this->lastPage(true);
                return true;
        }
 
        public function addTOC($page='', $numbersfont='', $filler='.', $toc_name='TOC', $style='', $color=array(0,0,0)) {
                $fontsize = $this->FontSizePt;
                $fontfamily = $this->FontFamily;
                $fontstyle = $this->FontStyle;
                $w = $this->w - $this->lMargin - $this->rMargin;
                $spacer = $this->GetStringWidth(chr(32)) * 4;
                $lmargin = $this->lMargin;
                $rmargin = $this->rMargin;
                $x_start = $this->GetX();
                $page_first = $this->page;
                $current_page = $this->page;
                $page_fill_start = false;
                $page_fill_end = false;
                $current_column = $this->current_column;
                if (TCPDF_STATIC::empty_string($numbersfont)) {
                        $numbersfont = $this->default_monospaced_font;
                }
                if (TCPDF_STATIC::empty_string($filler)) {
                        $filler = ' ';
                }
                if (TCPDF_STATIC::empty_string($page)) {
                        $gap = ' ';
                } else {
                        $gap = '';
                        if ($page < 1) {
                                $page = 1;
                        }
                }
                $this->SetFont($numbersfont, $fontstyle, $fontsize);
                $numwidth = $this->GetStringWidth('00000');
                $maxpage = 0; //used for pages on attached documents
                foreach ($this->outlines as $key => $outline) {
                        // check for extra pages (used for attachments)
                        if (($this->page > $page_first) AND ($outline['p'] >= $this->numpages)) {
                                $outline['p'] += ($this->page - $page_first);
                        }
                        if ($this->rtl) {
                                $aligntext = 'R';
                                $alignnum = 'L';
                        } else {
                                $aligntext = 'L';
                                $alignnum = 'R';
                        }
                        if ($outline['l'] == 0) {
                                $this->SetFont($fontfamily, $outline['s'].'B', $fontsize);
                        } else {
                                $this->SetFont($fontfamily, $outline['s'], $fontsize - $outline['l']);
                        }
                        $this->SetTextColorArray($outline['c']);
                        // check for page break
                        $this->checkPageBreak(2 * $this->getCellHeight($this->FontSize));
                        // set margins and X position
                        if (($this->page == $current_page) AND ($this->current_column == $current_column)) {
                                $this->lMargin = $lmargin;
                                $this->rMargin = $rmargin;
                        } else {
                                if ($this->current_column != $current_column) {
                                        if ($this->rtl) {
                                                $x_start = $this->w - $this->columns[$this->current_column]['x'];
                                        } else {
                                                $x_start = $this->columns[$this->current_column]['x'];
                                        }
                                }
                                $lmargin = $this->lMargin;
                                $rmargin = $this->rMargin;
                                $current_page = $this->page;
                                $current_column = $this->current_column;
                        }
                        $this->SetX($x_start);
                        $indent = ($spacer * $outline['l']);
                        if ($this->rtl) {
                                $this->x -= $indent;
                                $this->rMargin = $this->w - $this->x;
                        } else {
                                $this->x += $indent;
                                $this->lMargin = $this->x;
                        }
                        $link = $this->AddLink();
                        $this->SetLink($link, $outline['y'], $outline['p']);
                        // write the text
                        if ($this->rtl) {
                                $txt = ' '.$outline['t'];
                        } else {
                                $txt = $outline['t'].' ';
                        }
                        $this->Write(0, $txt, $link, false, $aligntext, false, 0, false, false, 0, $numwidth, '');
                        if ($this->rtl) {
                                $tw = $this->x - $this->lMargin;
                        } else {
                                $tw = $this->w - $this->rMargin - $this->x;
                        }
                        $this->SetFont($numbersfont, $fontstyle, $fontsize);
                        if (TCPDF_STATIC::empty_string($page)) {
                                $pagenum = $outline['p'];
                        } else {
                                // placemark to be replaced with the correct number
                                $pagenum = '{#'.($outline['p']).'}';
                                if ($this->isUnicodeFont()) {
                                        $pagenum = '{'.$pagenum.'}';
                                }
                                $maxpage = max($maxpage, $outline['p']);
                        }
                        $fw = ($tw - $this->GetStringWidth($pagenum.$filler));
                        $wfiller = $this->GetStringWidth($filler);
                        if ($wfiller > 0) {
                                $numfills = floor($fw / $wfiller);
                        } else {
                                $numfills = 0;
                        }
                        if ($numfills > 0) {
                                $rowfill = str_repeat($filler, $numfills);
                        } else {
                                $rowfill = '';
                        }
                        if ($this->rtl) {
                                $pagenum = $pagenum.$gap.$rowfill;
                        } else {
                                $pagenum = $rowfill.$gap.$pagenum;
                        }
                        // write the number
                        $this->Cell($tw, 0, $pagenum, 0, 1, $alignnum, 0, $link, 0);
                }
                $page_last = $this->getPage();
                $numpages = ($page_last - $page_first + 1);
                // account for booklet mode
                if ($this->booklet) {
                        // check if a blank page is required before TOC
                        $page_fill_start = ((($page_first % 2) == 0) XOR (($page % 2) == 0));
                        $page_fill_end = (!((($numpages % 2) == 0) XOR ($page_fill_start)));
                        if ($page_fill_start) {
                                // add a page at the end (to be moved before TOC)
                                $this->addPage();
                                ++$page_last;
                                ++$numpages;
                        }
                        if ($page_fill_end) {
                                // add a page at the end
                                $this->addPage();
                                ++$page_last;
                                ++$numpages;
                        }
                }
                $maxpage = max($maxpage, $page_last);
                if (!TCPDF_STATIC::empty_string($page)) {
                        for ($p = $page_first; $p <= $page_last; ++$p) {
                                // get page data
                                $temppage = $this->getPageBuffer($p);
                                for ($n = 1; $n <= $maxpage; ++$n) {
                                        // update page numbers
                                        $a = '{#'.$n.'}';
                                        // get page number aliases
                                        $pnalias = $this->getInternalPageNumberAliases($a);
                                        // calculate replacement number
                                        if (($n >= $page) AND ($n <= $this->numpages)) {
                                                $np = $n + $numpages;
                                        } else {
                                                $np = $n;
                                        }
                                        $na = TCPDF_STATIC::formatTOCPageNumber(($this->starting_page_number + $np - 1));
                                        $nu = TCPDF_FONTS::UTF8ToUTF16BE($na, false, $this->isunicode, $this->CurrentFont);
                                        // replace aliases with numbers
                                        foreach ($pnalias['u'] as $u) {
                                                $sfill = str_repeat($filler, max(0, (strlen($u) - strlen($nu.' '))));
                                                if ($this->rtl) {
                                                        $nr = $nu.TCPDF_FONTS::UTF8ToUTF16BE(' '.$sfill, false, $this->isunicode, $this->CurrentFont);
                                                } else {
                                                        $nr = TCPDF_FONTS::UTF8ToUTF16BE($sfill.' ', false, $this->isunicode, $this->CurrentFont).$nu;
                                                }
                                                $temppage = str_replace($u, $nr, $temppage);
                                        }
                                        foreach ($pnalias['a'] as $a) {
                                                $sfill = str_repeat($filler, max(0, (strlen($a) - strlen($na.' '))));
                                                if ($this->rtl) {
                                                        $nr = $na.' '.$sfill;
                                                } else {
                                                        $nr = $sfill.' '.$na;
                                                }
                                                $temppage = str_replace($a, $nr, $temppage);
                                        }
                                }
                                // save changes
                                $this->setPageBuffer($p, $temppage);
                        }
                        // move pages
                        $this->Bookmark($toc_name, 0, 0, $page_first, $style, $color);
                        if ($page_fill_start) {
                                $this->movePage($page_last, $page_first);
                        }
                        for ($i = 0; $i < $numpages; ++$i) {
                                $this->movePage($page_last, $page);
                        }
                }
        }
 
        public function addHTMLTOC($page='', $toc_name='TOC', $templates=array(), $correct_align=true, $style='', $color=array(0,0,0)) {
                $filler = ' ';
                $prev_htmlLinkColorArray = $this->htmlLinkColorArray;
                $prev_htmlLinkFontStyle = $this->htmlLinkFontStyle;
                // set new style for link
                $this->htmlLinkColorArray = array();
                $this->htmlLinkFontStyle = '';
                $page_first = $this->getPage();
                $page_fill_start = false;
                $page_fill_end = false;
                // get the font type used for numbers in each template
                $current_font = $this->FontFamily;
                foreach ($templates as $level => $html) {
                        $dom = $this->getHtmlDomArray($html);
                        foreach ($dom as $key => $value) {
                                if ($value['value'] == '#TOC_PAGE_NUMBER#') {
                                        $this->SetFont($dom[($key - 1)]['fontname']);
                                        $templates['F'.$level] = $this->isUnicodeFont();
                                }
                        }
                }
                $this->SetFont($current_font);
                $maxpage = 0; //used for pages on attached documents
                foreach ($this->outlines as $key => $outline) {
                        // get HTML template
                        $row = $templates[$outline['l']];
                        if (TCPDF_STATIC::empty_string($page)) {
                                $pagenum = $outline['p'];
                        } else {
                                // placemark to be replaced with the correct number
                                $pagenum = '{#'.($outline['p']).'}';
                                if ($templates['F'.$outline['l']]) {
                                        $pagenum = '{'.$pagenum.'}';
                                }
                                $maxpage = max($maxpage, $outline['p']);
                        }
                        // replace templates with current values
                        $row = str_replace('#TOC_DESCRIPTION#', $outline['t'], $row);
                        $row = str_replace('#TOC_PAGE_NUMBER#', $pagenum, $row);
                        // add link to page
                        $row = '<a href="#'.$outline['p'].','.$outline['y'].'">'.$row.'</a>';
                        // write bookmark entry
                        $this->writeHTML($row, false, false, true, false, '');
                }
                // restore link styles
                $this->htmlLinkColorArray = $prev_htmlLinkColorArray;
                $this->htmlLinkFontStyle = $prev_htmlLinkFontStyle;
                // move TOC page and replace numbers
                $page_last = $this->getPage();
                $numpages = ($page_last - $page_first + 1);
                // account for booklet mode
                if ($this->booklet) {
                        // check if a blank page is required before TOC
                        $page_fill_start = ((($page_first % 2) == 0) XOR (($page % 2) == 0));
                        $page_fill_end = (!((($numpages % 2) == 0) XOR ($page_fill_start)));
                        if ($page_fill_start) {
                                // add a page at the end (to be moved before TOC)
                                $this->addPage();
                                ++$page_last;
                                ++$numpages;
                        }
                        if ($page_fill_end) {
                                // add a page at the end
                                $this->addPage();
                                ++$page_last;
                                ++$numpages;
                        }
                }
                $maxpage = max($maxpage, $page_last);
                if (!TCPDF_STATIC::empty_string($page)) {
                        for ($p = $page_first; $p <= $page_last; ++$p) {
                                // get page data
                                $temppage = $this->getPageBuffer($p);
                                for ($n = 1; $n <= $maxpage; ++$n) {
                                        // update page numbers
                                        $a = '{#'.$n.'}';
                                        // get page number aliases
                                        $pnalias = $this->getInternalPageNumberAliases($a);
                                        // calculate replacement number
                                        if ($n >= $page) {
                                                $np = $n + $numpages;
                                        } else {
                                                $np = $n;
                                        }
                                        $na = TCPDF_STATIC::formatTOCPageNumber(($this->starting_page_number + $np - 1));
                                        $nu = TCPDF_FONTS::UTF8ToUTF16BE($na, false, $this->isunicode, $this->CurrentFont);
                                        // replace aliases with numbers
                                        foreach ($pnalias['u'] as $u) {
                                                if ($correct_align) {
                                                        $sfill = str_repeat($filler, (strlen($u) - strlen($nu.' ')));
                                                        if ($this->rtl) {
                                                                $nr = $nu.TCPDF_FONTS::UTF8ToUTF16BE(' '.$sfill, false, $this->isunicode, $this->CurrentFont);
                                                        } else {
                                                                $nr = TCPDF_FONTS::UTF8ToUTF16BE($sfill.' ', false, $this->isunicode, $this->CurrentFont).$nu;
                                                        }
                                                } else {
                                                        $nr = $nu;
                                                }
                                                $temppage = str_replace($u, $nr, $temppage);
                                        }
                                        foreach ($pnalias['a'] as $a) {
                                                if ($correct_align) {
                                                        $sfill = str_repeat($filler, (strlen($a) - strlen($na.' ')));
                                                        if ($this->rtl) {
                                                                $nr = $na.' '.$sfill;
                                                        } else {
                                                                $nr = $sfill.' '.$na;
                                                        }
                                                } else {
                                                        $nr = $na;
                                                }
                                                $temppage = str_replace($a, $nr, $temppage);
                                        }
                                }
                                // save changes
                                $this->setPageBuffer($p, $temppage);
                        }
                        // move pages
                        $this->Bookmark($toc_name, 0, 0, $page_first, $style, $color);
                        if ($page_fill_start) {
                                $this->movePage($page_last, $page_first);
                        }
                        for ($i = 0; $i < $numpages; ++$i) {
                                $this->movePage($page_last, $page);
                        }
                }
        }
 
        public function startTransaction() {
                if (isset($this->objcopy)) {
                        // remove previous copy
                        $this->commitTransaction();
                }
                // record current page number and Y position
                $this->start_transaction_page = $this->page;
                $this->start_transaction_y = $this->y;
                // clone current object
                $this->objcopy = TCPDF_STATIC::objclone($this);
        }
 
        public function commitTransaction() {
                if (isset($this->objcopy)) {
                        $this->objcopy->_destroy(true, true);
                        unset($this->objcopy);
                }
        }
 
        public function rollbackTransaction($self=false) {
                if (isset($this->objcopy)) {
                        $this->_destroy(true, true);
                        if ($self) {
                                $objvars = get_object_vars($this->objcopy);
                                foreach ($objvars as $key => $value) {
                                        $this->$key = $value;
                                }
                        }
                        return $this->objcopy;
                }
                return $this;
        }
 
        // --- MULTI COLUMNS METHODS -----------------------
 
        public function setEqualColumns($numcols=0, $width=0, $y='') {
                $this->columns = array();
                if ($numcols < 2) {
                        $numcols = 0;
                        $this->columns = array();
                } else {
                        // maximum column width
                        $maxwidth = ($this->w - $this->original_lMargin - $this->original_rMargin) / $numcols;
                        if (($width == 0) OR ($width > $maxwidth)) {
                                $width = $maxwidth;
                        }
                        if (TCPDF_STATIC::empty_string($y)) {
                                $y = $this->y;
                        }
                        // space between columns
                        $space = (($this->w - $this->original_lMargin - $this->original_rMargin - ($numcols * $width)) / ($numcols - 1));
                        // fill the columns array (with, space, starting Y position)
                        for ($i = 0; $i < $numcols; ++$i) {
                                $this->columns[$i] = array('w' => $width, 's' => $space, 'y' => $y);
                        }
                }
                $this->num_columns = $numcols;
                $this->current_column = 0;
                $this->column_start_page = $this->page;
                $this->selectColumn(0);
        }
 
        public function resetColumns() {
                $this->lMargin = $this->original_lMargin;
                $this->rMargin = $this->original_rMargin;
                $this->setEqualColumns();
        }
 
        public function setColumnsArray($columns) {
                $this->columns = $columns;
                $this->num_columns = count($columns);
                $this->current_column = 0;
                $this->column_start_page = $this->page;
                $this->selectColumn(0);
        }
 
        public function selectColumn($col='') {
                if (is_string($col)) {
                        $col = $this->current_column;
                } elseif ($col >= $this->num_columns) {
                        $col = 0;
                }
                $xshift = array('x' => 0, 's' => array('H' => 0, 'V' => 0), 'p' => array('L' => 0, 'T' => 0, 'R' => 0, 'B' => 0));
                $enable_thead = false;
                if ($this->num_columns > 1) {
                        if ($col != $this->current_column) {
                                // move Y pointer at the top of the column
                                if ($this->column_start_page == $this->page) {
                                        $this->y = $this->columns[$col]['y'];
                                } else {
                                        $this->y = $this->tMargin;
                                }
                                // Avoid to write table headers more than once
                                if (($this->page > $this->maxselcol['page']) OR (($this->page == $this->maxselcol['page']) AND ($col > $this->maxselcol['column']))) {
                                        $enable_thead = true;
                                        $this->maxselcol['page'] = $this->page;
                                        $this->maxselcol['column'] = $col;
                                }
                        }
                        $xshift = $this->colxshift;
                        // set X position of the current column by case
                        $listindent = ($this->listindentlevel * $this->listindent);
                        // calculate column X position
                        $colpos = 0;
                        for ($i = 0; $i < $col; ++$i) {
                                $colpos += ($this->columns[$i]['w'] + $this->columns[$i]['s']);
                        }
                        if ($this->rtl) {
                                $x = $this->w - $this->original_rMargin - $colpos;
                                $this->rMargin = ($this->w - $x + $listindent);
                                $this->lMargin = ($x - $this->columns[$col]['w']);
                                $this->x = $x - $listindent;
                        } else {
                                $x = $this->original_lMargin + $colpos;
                                $this->lMargin = ($x + $listindent);
                                $this->rMargin = ($this->w - $x - $this->columns[$col]['w']);
                                $this->x = $x + $listindent;
                        }
                        $this->columns[$col]['x'] = $x;
                }
                $this->current_column = $col;
                // fix for HTML mode
                $this->newline = true;
                // print HTML table header (if any)
                if ((!TCPDF_STATIC::empty_string($this->thead)) AND (!$this->inthead)) {
                        if ($enable_thead) {
                                // print table header
                                $this->writeHTML($this->thead, false, false, false, false, '');
                                $this->y += $xshift['s']['V'];
                                // store end of header position
                                if (!isset($this->columns[$col]['th'])) {
                                        $this->columns[$col]['th'] = array();
                                }
                                $this->columns[$col]['th']['\''.$this->page.'\''] = $this->y;
                                $this->lasth = 0;
                        } elseif (isset($this->columns[$col]['th']['\''.$this->page.'\''])) {
                                $this->y = $this->columns[$col]['th']['\''.$this->page.'\''];
                        }
                }
                // account for an html table cell over multiple columns
                if ($this->rtl) {
                        $this->rMargin += $xshift['x'];
                        $this->x -= ($xshift['x'] + $xshift['p']['R']);
                } else {
                        $this->lMargin += $xshift['x'];
                        $this->x += $xshift['x'] + $xshift['p']['L'];
                }
        }
 
        public function getColumn() {
                return $this->current_column;
        }
 
        public function getNumberOfColumns() {
                return $this->num_columns;
        }
 
        public function setTextRenderingMode($stroke=0, $fill=true, $clip=false) {
                // Ref.: PDF 32000-1:2008 - 9.3.6 Text Rendering Mode
                // convert text rendering parameters
                if ($stroke < 0) {
                        $stroke = 0;
                }
                if ($fill === true) {
                        if ($stroke > 0) {
                                if ($clip === true) {
                                        // Fill, then stroke text and add to path for clipping
                                        $textrendermode = 6;
                                } else {
                                        // Fill, then stroke text
                                        $textrendermode = 2;
                                }
                                $textstrokewidth = $stroke;
                        } else {
                                if ($clip === true) {
                                        // Fill text and add to path for clipping
                                        $textrendermode = 4;
                                } else {
                                        // Fill text
                                        $textrendermode = 0;
                                }
                        }
                } else {
                        if ($stroke > 0) {
                                if ($clip === true) {
                                        // Stroke text and add to path for clipping
                                        $textrendermode = 5;
                                } else {
                                        // Stroke text
                                        $textrendermode = 1;
                                }
                                $textstrokewidth = $stroke;
                        } else {
                                if ($clip === true) {
                                        // Add text to path for clipping
                                        $textrendermode = 7;
                                } else {
                                        // Neither fill nor stroke text (invisible)
                                        $textrendermode = 3;
                                }
                        }
                }
                $this->textrendermode = $textrendermode;
                $this->textstrokewidth = $stroke;
        }
 
        public function setTextShadow($params=array('enabled'=>false, 'depth_w'=>0, 'depth_h'=>0, 'color'=>false, 'opacity'=>1, 'blend_mode'=>'Normal')) {
                if (isset($params['enabled'])) {
                        $this->txtshadow['enabled'] = $params['enabled']?true:false;
                } else {
                        $this->txtshadow['enabled'] = false;
                }
                if (isset($params['depth_w'])) {
                        $this->txtshadow['depth_w'] = floatval($params['depth_w']);
                } else {
                        $this->txtshadow['depth_w'] = 0;
                }
                if (isset($params['depth_h'])) {
                        $this->txtshadow['depth_h'] = floatval($params['depth_h']);
                } else {
                        $this->txtshadow['depth_h'] = 0;
                }
                if (isset($params['color']) AND ($params['color'] !== false) AND is_array($params['color'])) {
                        $this->txtshadow['color'] = $params['color'];
                } else {
                        $this->txtshadow['color'] = $this->strokecolor;
                }
                if (isset($params['opacity'])) {
                        $this->txtshadow['opacity'] = min(1, max(0, floatval($params['opacity'])));
                } else {
                        $this->txtshadow['opacity'] = 1;
                }
                if (isset($params['blend_mode']) AND in_array($params['blend_mode'], array('Normal', 'Multiply', 'Screen', 'Overlay', 'Darken', 'Lighten', 'ColorDodge', 'ColorBurn', 'HardLight', 'SoftLight', 'Difference', 'Exclusion', 'Hue', 'Saturation', 'Color', 'Luminosity'))) {
                        $this->txtshadow['blend_mode'] = $params['blend_mode'];
                } else {
                        $this->txtshadow['blend_mode'] = 'Normal';
                }
                if ((($this->txtshadow['depth_w'] == 0) AND ($this->txtshadow['depth_h'] == 0)) OR ($this->txtshadow['opacity'] == 0)) {
                        $this->txtshadow['enabled'] = false;
                }
        }
 
        public function getTextShadow() {
                return $this->txtshadow;
        }
 
        protected function hyphenateWord($word, $patterns, $dictionary=array(), $leftmin=1, $rightmin=2, $charmin=1, $charmax=8) {
                $hyphenword = array(); // hyphens positions
                $numchars = count($word);
                if ($numchars <= $charmin) {
                        return $word;
                }
                $word_string = TCPDF_FONTS::UTF8ArrSubString($word, '', '', $this->isunicode);
                // some words will be returned as-is
                $pattern = '/^([a-zA-Z0-9_\.\-]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/';
                if (preg_match($pattern, $word_string) > 0) {
                        // email
                        return $word;
                }
                $pattern = '/(([a-zA-Z0-9\-]+\.)?)((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/';
                if (preg_match($pattern, $word_string) > 0) {
                        // URL
                        return $word;
                }
                if (isset($dictionary[$word_string])) {
                        return TCPDF_FONTS::UTF8StringToArray($dictionary[$word_string], $this->isunicode, $this->CurrentFont);
                }
                // surround word with '_' characters
                $tmpword = array_merge(array(46), $word, array(46));
                $tmpnumchars = $numchars + 2;
                $maxpos = $tmpnumchars - 1;
                for ($pos = 0; $pos < $maxpos; ++$pos) {
                        $imax = min(($tmpnumchars - $pos), $charmax);
                        for ($i = 1; $i <= $imax; ++$i) {
                                $subword = strtolower(TCPDF_FONTS::UTF8ArrSubString($tmpword, $pos, ($pos + $i), $this->isunicode));
                                if (isset($patterns[$subword])) {
                                        $pattern = TCPDF_FONTS::UTF8StringToArray($patterns[$subword], $this->isunicode, $this->CurrentFont);
                                        $pattern_length = count($pattern);
                                        $digits = 1;
                                        for ($j = 0; $j < $pattern_length; ++$j) {
                                                // check if $pattern[$j] is a number = hyphenation level (only numbers from 1 to 5 are valid)
                                                if (($pattern[$j] >= 48) AND ($pattern[$j] <= 57)) {
                                                        if ($j == 0) {
                                                                $zero = $pos - 1;
                                                        } else {
                                                                $zero = $pos + $j - $digits;
                                                        }
                                                        // get hyphenation level
                                                        $level = ($pattern[$j] - 48);
                                                        // if two levels from two different patterns match at the same point, the higher one is selected.
                                                        if (!isset($hyphenword[$zero]) OR ($hyphenword[$zero] < $level)) {
                                                                $hyphenword[$zero] = $level;
                                                        }
                                                        ++$digits;
                                                }
                                        }
                                }
                        }
                }
                $inserted = 0;
                $maxpos = $numchars - $rightmin;
                for ($i = $leftmin; $i <= $maxpos; ++$i) {
                        // only odd levels indicate allowed hyphenation points
                        if (isset($hyphenword[$i]) AND (($hyphenword[$i] % 2) != 0)) {
                                // 173 = soft hyphen character
                                array_splice($word, $i + $inserted, 0, 173);
                                ++$inserted;
                        }
                }
                return $word;
        }
 
        public function hyphenateText($text, $patterns, $dictionary=array(), $leftmin=1, $rightmin=2, $charmin=1, $charmax=8) {
                $text = $this->unhtmlentities($text);
                $word = array(); // last word
                $txtarr = array(); // text to be returned
                $intag = false; // true if we are inside an HTML tag
                $skip = false; // true to skip hyphenation
                if (!is_array($patterns)) {
                        $patterns = TCPDF_STATIC::getHyphenPatternsFromTEX($patterns);
                }
                // get array of characters
                $unichars = TCPDF_FONTS::UTF8StringToArray($text, $this->isunicode, $this->CurrentFont);
                // for each char
                foreach ($unichars as $char) {
                        if ((!$intag) AND (!$skip) AND TCPDF_FONT_DATA::$uni_type[$char] == 'L') {
                                // letter character
                                $word[] = $char;
                        } else {
                                // other type of character
                                if (!TCPDF_STATIC::empty_string($word)) {
                                        // hypenate the word
                                        $txtarr = array_merge($txtarr, $this->hyphenateWord($word, $patterns, $dictionary, $leftmin, $rightmin, $charmin, $charmax));
                                        $word = array();
                                }
                                $txtarr[] = $char;
                                if (chr($char) == '<') {
                                        // we are inside an HTML tag
                                        $intag = true;
                                } elseif ($intag AND (chr($char) == '>')) {
                                        // end of HTML tag
                                        $intag = false;
                                        // check for style tag
                                        $expected = array(115, 116, 121, 108, 101); // = 'style'
                                        $current = array_slice($txtarr, -6, 5); // last 5 chars
                                        $compare = array_diff($expected, $current);
                                        if (empty($compare)) {
                                                // check if it is a closing tag
                                                $expected = array(47); // = '/'
                                                $current = array_slice($txtarr, -7, 1);
                                                $compare = array_diff($expected, $current);
                                                if (empty($compare)) {
                                                        // closing style tag
                                                        $skip = false;
                                                } else {
                                                        // opening style tag
                                                        $skip = true;
                                                }
                                        }
                                }
                        }
                }
                if (!TCPDF_STATIC::empty_string($word)) {
                        // hypenate the word
                        $txtarr = array_merge($txtarr, $this->hyphenateWord($word, $patterns, $dictionary, $leftmin, $rightmin, $charmin, $charmax));
                }
                // convert char array to string and return
                return TCPDF_FONTS::UTF8ArrSubString($txtarr, '', '', $this->isunicode);
        }
 
        public function setRasterizeVectorImages($mode) {
                $this->rasterize_vector_images = $mode;
        }
 
        public function setFontSubsetting($enable=true) {
                if ($this->pdfa_mode) {
                        $this->font_subsetting = false;
                } else {
                        $this->font_subsetting = $enable ? true : false;
                }
        }
 
        public function getFontSubsetting() {
                return $this->font_subsetting;
        }
 
        public function stringLeftTrim($str, $replace='') {
                return preg_replace('/^'.$this->re_space['p'].'+/'.$this->re_space['m'], $replace, $str);
        }
 
        public function stringRightTrim($str, $replace='') {
                return preg_replace('/'.$this->re_space['p'].'+$/'.$this->re_space['m'], $replace, $str);
        }
 
        public function stringTrim($str, $replace='') {
                $str = $this->stringLeftTrim($str, $replace);
                $str = $this->stringRightTrim($str, $replace);
                return $str;
        }
 
        public function isUnicodeFont() {
                return (($this->CurrentFont['type'] == 'TrueTypeUnicode') OR ($this->CurrentFont['type'] == 'cidfont0'));
        }
 
        public function getFontFamilyName($fontfamily) {
                // remove spaces and symbols
                $fontfamily = preg_replace('/[^a-z0-9_\,]/', '', strtolower($fontfamily));
                // extract all font names
                $fontslist = preg_split('/[,]/', $fontfamily);
                // find first valid font name
                foreach ($fontslist as $font) {
                        // replace font variations
                        $font = preg_replace('/regular$/', '', $font);
                        $font = preg_replace('/italic$/', 'I', $font);
                        $font = preg_replace('/oblique$/', 'I', $font);
                        $font = preg_replace('/bold([I]?)$/', 'B\\1', $font);
                        // replace common family names and core fonts
                        $pattern = array();
                        $replacement = array();
                        $pattern[] = '/^serif|^cursive|^fantasy|^timesnewroman/';
                        $replacement[] = 'times';
                        $pattern[] = '/^sansserif/';
                        $replacement[] = 'helvetica';
                        $pattern[] = '/^monospace/';
                        $replacement[] = 'courier';
                        $font = preg_replace($pattern, $replacement, $font);
                        if (in_array(strtolower($font), $this->fontlist) OR in_array($font, $this->fontkeys)) {
                                return $font;
                        }
                }
                // return current font as default
                return $this->CurrentFont['fontkey'];
        }
 
        public function startTemplate($w=0, $h=0, $group=false) {
                if ($this->inxobj) {
                        // we are already inside an XObject template
                        return false;
                }
                $this->inxobj = true;
                ++$this->n;
                // XObject ID
                $this->xobjid = 'XT'.$this->n;
                // object ID
                $this->xobjects[$this->xobjid] = array('n' => $this->n);
                // store current graphic state
                $this->xobjects[$this->xobjid]['gvars'] = $this->getGraphicVars();
                // initialize data
                $this->xobjects[$this->xobjid]['intmrk'] = 0;
                $this->xobjects[$this->xobjid]['transfmrk'] = array();
                $this->xobjects[$this->xobjid]['outdata'] = '';
                $this->xobjects[$this->xobjid]['xobjects'] = array();
                $this->xobjects[$this->xobjid]['images'] = array();
                $this->xobjects[$this->xobjid]['fonts'] = array();
                $this->xobjects[$this->xobjid]['annotations'] = array();
                $this->xobjects[$this->xobjid]['extgstates'] = array();
                $this->xobjects[$this->xobjid]['gradients'] = array();
                $this->xobjects[$this->xobjid]['spot_colors'] = array();
                // set new environment
                $this->num_columns = 1;
                $this->current_column = 0;
                $this->SetAutoPageBreak(false);
                if (($w === '') OR ($w <= 0)) {
                        $w = $this->w - $this->lMargin - $this->rMargin;
                }
                if (($h === '') OR ($h <= 0)) {
                        $h = $this->h - $this->tMargin - $this->bMargin;
                }
                $this->xobjects[$this->xobjid]['x'] = 0;
                $this->xobjects[$this->xobjid]['y'] = 0;
                $this->xobjects[$this->xobjid]['w'] = $w;
                $this->xobjects[$this->xobjid]['h'] = $h;
                $this->w = $w;
                $this->h = $h;
                $this->wPt = $this->w * $this->k;
                $this->hPt = $this->h * $this->k;
                $this->fwPt = $this->wPt;
                $this->fhPt = $this->hPt;
                $this->x = 0;
                $this->y = 0;
                $this->lMargin = 0;
                $this->rMargin = 0;
                $this->tMargin = 0;
                $this->bMargin = 0;
                // set group mode
                $this->xobjects[$this->xobjid]['group'] = $group;
                return $this->xobjid;
        }
 
        public function endTemplate() {
                if (!$this->inxobj) {
                        // we are not inside a template
                        return false;
                }
                $this->inxobj = false;
                // restore previous graphic state
                $this->setGraphicVars($this->xobjects[$this->xobjid]['gvars'], true);
                return $this->xobjid;
        }
 
        public function printTemplate($id, $x='', $y='', $w=0, $h=0, $align='', $palign='', $fitonpage=false) {
                if ($this->state != 2) {
                         return;
                }
                if (!isset($this->xobjects[$id])) {
                        $this->Error('The XObject Template \''.$id.'\' doesn\'t exist!');
                }
                if ($this->inxobj) {
                        if ($id == $this->xobjid) {
                                // close current template
                                $this->endTemplate();
                        } else {
                                // use the template as resource for the template currently opened
                                $this->xobjects[$this->xobjid]['xobjects'][$id] = $this->xobjects[$id];
                        }
                }
                // set default values
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                $ow = $this->xobjects[$id]['w'];
                if ($ow <= 0) {
                        $ow = 1;
                }
                $oh = $this->xobjects[$id]['h'];
                if ($oh <= 0) {
                        $oh = 1;
                }
                // calculate template width and height on document
                if (($w <= 0) AND ($h <= 0)) {
                        $w = $ow;
                        $h = $oh;
                } elseif ($w <= 0) {
                        $w = $h * $ow / $oh;
                } elseif ($h <= 0) {
                        $h = $w * $oh / $ow;
                }
                // fit the template on available space
                list($w, $h, $x, $y) = $this->fitBlock($w, $h, $x, $y, $fitonpage);
                // set page alignment
                $rb_y = $y + $h;
                // set alignment
                if ($this->rtl) {
                        if ($palign == 'L') {
                                $xt = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $xt = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $xt = $this->w - $this->rMargin - $w;
                        } else {
                                $xt = $x - $w;
                        }
                        $rb_x = $xt;
                } else {
                        if ($palign == 'L') {
                                $xt = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $xt = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $xt = $this->w - $this->rMargin - $w;
                        } else {
                                $xt = $x;
                        }
                        $rb_x = $xt + $w;
                }
                // print XObject Template + Transformation matrix
                $this->StartTransform();
                // translate and scale
                $sx = ($w / $ow);
                $sy = ($h / $oh);
                $tm = array();
                $tm[0] = $sx;
                $tm[1] = 0;
                $tm[2] = 0;
                $tm[3] = $sy;
                $tm[4] = $xt * $this->k;
                $tm[5] = ($this->h - $h - $y) * $this->k;
                $this->Transform($tm);
                // set object
                $this->_out('/'.$id.' Do');
                $this->StopTransform();
                // add annotations
                if (!empty($this->xobjects[$id]['annotations'])) {
                        foreach ($this->xobjects[$id]['annotations'] as $annot) {
                                // transform original coordinates
                                $coordlt = TCPDF_STATIC::getTransformationMatrixProduct($tm, array(1, 0, 0, 1, ($annot['x'] * $this->k), (-$annot['y'] * $this->k)));
                                $ax = ($coordlt[4] / $this->k);
                                $ay = ($this->h - $h - ($coordlt[5] / $this->k));
                                $coordrb = TCPDF_STATIC::getTransformationMatrixProduct($tm, array(1, 0, 0, 1, (($annot['x'] + $annot['w']) * $this->k), ((-$annot['y'] - $annot['h']) * $this->k)));
                                $aw = ($coordrb[4] / $this->k) - $ax;
                                $ah = ($this->h - $h - ($coordrb[5] / $this->k)) - $ay;
                                $this->Annotation($ax, $ay, $aw, $ah, $annot['text'], $annot['opt'], $annot['spaces']);
                        }
                }
                // set pointer to align the next text/objects
                switch($align) {
                        case 'T': {
                                $this->y = $y;
                                $this->x = $rb_x;
                                break;
                        }
                        case 'M': {
                                $this->y = $y + round($h/2);
                                $this->x = $rb_x;
                                break;
                        }
                        case 'B': {
                                $this->y = $rb_y;
                                $this->x = $rb_x;
                                break;
                        }
                        case 'N': {
                                $this->SetY($rb_y);
                                break;
                        }
                        default:{
                                break;
                        }
                }
        }
 
        public function setFontStretching($perc=100) {
                $this->font_stretching = $perc;
        }
 
        public function getFontStretching() {
                return $this->font_stretching;
        }
 
        public function setFontSpacing($spacing=0) {
                $this->font_spacing = $spacing;
        }
 
        public function getFontSpacing() {
                return $this->font_spacing;
        }
 
        public function getPageRegions() {
                return $this->page_regions;
        }
 
        public function setPageRegions($regions=array()) {
                // empty current regions array
                $this->page_regions = array();
                // add regions
                foreach ($regions as $data) {
                        $this->addPageRegion($data);
                }
        }
 
        public function addPageRegion($region) {
                if (!isset($region['page']) OR empty($region['page'])) {
                        $region['page'] = $this->page;
                }
                if (isset($region['xt']) AND isset($region['xb']) AND ($region['xt'] > 0) AND ($region['xb'] > 0)
                        AND isset($region['yt'])  AND isset($region['yb']) AND ($region['yt'] >= 0) AND ($region['yt'] < $region['yb'])
                        AND isset($region['side']) AND (($region['side'] == 'L') OR ($region['side'] == 'R'))) {
                        $this->page_regions[] = $region;
                }
        }
 
        public function removePageRegion($key) {
                if (isset($this->page_regions[$key])) {
                        unset($this->page_regions[$key]);
                }
        }
 
        protected function checkPageRegions($h, $x, $y) {
                // set default values
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                if (!$this->check_page_regions OR empty($this->page_regions)) {
                        // no page regions defined
                        return array($x, $y);
                }
                if (empty($h)) {
                        $h = $this->getCellHeight($this->FontSize);
                }
                // check for page break
                if ($this->checkPageBreak($h, $y)) {
                        // the content will be printed on a new page
                        $x = $this->x;
                        $y = $this->y;
                }
                if ($this->num_columns > 1) {
                        if ($this->rtl) {
                                $this->lMargin = ($this->columns[$this->current_column]['x'] - $this->columns[$this->current_column]['w']);
                        } else {
                                $this->rMargin = ($this->w - $this->columns[$this->current_column]['x'] - $this->columns[$this->current_column]['w']);
                        }
                } else {
                        if ($this->rtl) {
                                $this->lMargin = max($this->clMargin, $this->original_lMargin);
                        } else {
                                $this->rMargin = max($this->crMargin, $this->original_rMargin);
                        }
                }
                // adjust coordinates and page margins
                foreach ($this->page_regions as $regid => $regdata) {
                        if ($regdata['page'] == $this->page) {
                                // check region boundaries
                                if (($y > ($regdata['yt'] - $h)) AND ($y <= $regdata['yb'])) {
                                        // Y is inside the region
                                        $minv = ($regdata['xb'] - $regdata['xt']) / ($regdata['yb'] - $regdata['yt']); // inverse of angular coefficient
                                        $yt = max($y, $regdata['yt']);
                                        $yb = min(($yt + $h), $regdata['yb']);
                                        $xt = (($yt - $regdata['yt']) * $minv) + $regdata['xt'];
                                        $xb = (($yb - $regdata['yt']) * $minv) + $regdata['xt'];
                                        if ($regdata['side'] == 'L') { // left side
                                                $new_margin = max($xt, $xb);
                                                if ($this->lMargin < $new_margin) {
                                                        if ($this->rtl) {
                                                                // adjust left page margin
                                                                $this->lMargin = max(0, $new_margin);
                                                        }
                                                        if ($x < $new_margin) {
                                                                // adjust x position
                                                                $x = $new_margin;
                                                                if ($new_margin > ($this->w - $this->rMargin)) {
                                                                        // adjust y position
                                                                        $y = $regdata['yb'] - $h;
                                                                }
                                                        }
                                                }
                                        } elseif ($regdata['side'] == 'R') { // right side
                                                $new_margin = min($xt, $xb);
                                                if (($this->w - $this->rMargin) > $new_margin) {
                                                        if (!$this->rtl) {
                                                                // adjust right page margin
                                                                $this->rMargin = max(0, ($this->w - $new_margin));
                                                        }
                                                        if ($x > $new_margin) {
                                                                // adjust x position
                                                                $x = $new_margin;
                                                                if ($new_margin > $this->lMargin) {
                                                                        // adjust y position
                                                                        $y = $regdata['yb'] - $h;
                                                                }
                                                        }
                                                }
                                        }
                                }
                        }
                }
                return array($x, $y);
        }
 
        // --- SVG METHODS ---------------------------------------------------------
 
        public function ImageSVG($file, $x='', $y='', $w=0, $h=0, $link='', $align='', $palign='', $border=0, $fitonpage=false) {
                if ($this->state != 2) {
                         return;
                }
                // reset SVG vars
                $this->svggradients = array();
                $this->svggradientid = 0;
                $this->svgdefsmode = false;
                $this->svgdefs = array();
                $this->svgclipmode = false;
                $this->svgclippaths = array();
                $this->svgcliptm = array();
                $this->svgclipid = 0;
                $this->svgtext = '';
                $this->svgtextmode = array();
                if ($this->rasterize_vector_images AND ($w > 0) AND ($h > 0)) {
                        // convert SVG to raster image using GD or ImageMagick libraries
                        return $this->Image($file, $x, $y, $w, $h, 'SVG', $link, $align, true, 300, $palign, false, false, $border, false, false, false);
                }
                if ($file[0] === '@') { // image from string
                        $this->svgdir = '';
                        $svgdata = substr($file, 1);
                } else { // SVG file
                        $this->svgdir = dirname($file);
                        $svgdata = TCPDF_STATIC::fileGetContents($file);
                }
                if ($svgdata === FALSE) {
                        $this->Error('SVG file not found: '.$file);
                }
                if ($x === '') {
                        $x = $this->x;
                }
                if ($y === '') {
                        $y = $this->y;
                }
                // check page for no-write regions and adapt page margins if necessary
                list($x, $y) = $this->checkPageRegions($h, $x, $y);
                $k = $this->k;
                $ox = 0;
                $oy = 0;
                $ow = $w;
                $oh = $h;
                $aspect_ratio_align = 'xMidYMid';
                $aspect_ratio_ms = 'meet';
                $regs = array();
                // get original image width and height
                preg_match('/<svg([^>]*)>/si', $svgdata, $regs);
                if (isset($regs[1]) AND !empty($regs[1])) {
                        $tmp = array();
                        if (preg_match('/[\s]+x[\s]*=[\s]*"([^"]*)"/si', $regs[1], $tmp)) {
                                $ox = $this->getHTMLUnitToUnits($tmp[1], 0, $this->svgunit, false);
                        }
                        $tmp = array();
                        if (preg_match('/[\s]+y[\s]*=[\s]*"([^"]*)"/si', $regs[1], $tmp)) {
                                $oy = $this->getHTMLUnitToUnits($tmp[1], 0, $this->svgunit, false);
                        }
                        $tmp = array();
                        if (preg_match('/[\s]+width[\s]*=[\s]*"([^"]*)"/si', $regs[1], $tmp)) {
                                $ow = $this->getHTMLUnitToUnits($tmp[1], 1, $this->svgunit, false);
                        }
                        $tmp = array();
                        if (preg_match('/[\s]+height[\s]*=[\s]*"([^"]*)"/si', $regs[1], $tmp)) {
                                $oh = $this->getHTMLUnitToUnits($tmp[1], 1, $this->svgunit, false);
                        }
                        $tmp = array();
                        $view_box = array();
                        if (preg_match('/[\s]+viewBox[\s]*=[\s]*"[\s]*([0-9\.\-]+)[\s]+([0-9\.\-]+)[\s]+([0-9\.]+)[\s]+([0-9\.]+)[\s]*"/si', $regs[1], $tmp)) {
                                if (count($tmp) == 5) {
                                        array_shift($tmp);
                                        foreach ($tmp as $key => $val) {
                                                $view_box[$key] = $this->getHTMLUnitToUnits($val, 0, $this->svgunit, false);
                                        }
                                        $ox = $view_box[0];
                                        $oy = $view_box[1];
                                }
                                // get aspect ratio
                                $tmp = array();
                                if (preg_match('/[\s]+preserveAspectRatio[\s]*=[\s]*"([^"]*)"/si', $regs[1], $tmp)) {
                                        $aspect_ratio = preg_split('/[\s]+/si', $tmp[1]);
                                        switch (count($aspect_ratio)) {
                                                case 3: {
                                                        $aspect_ratio_align = $aspect_ratio[1];
                                                        $aspect_ratio_ms = $aspect_ratio[2];
                                                        break;
                                                }
                                                case 2: {
                                                        $aspect_ratio_align = $aspect_ratio[0];
                                                        $aspect_ratio_ms = $aspect_ratio[1];
                                                        break;
                                                }
                                                case 1: {
                                                        $aspect_ratio_align = $aspect_ratio[0];
                                                        $aspect_ratio_ms = 'meet';
                                                        break;
                                                }
                                        }
                                }
                        }
                }
                if ($ow <= 0) {
                        $ow = 1;
                }
                if ($oh <= 0) {
                        $oh = 1;
                }
                // calculate image width and height on document
                if (($w <= 0) AND ($h <= 0)) {
                        // convert image size to document unit
                        $w = $ow;
                        $h = $oh;
                } elseif ($w <= 0) {
                        $w = $h * $ow / $oh;
                } elseif ($h <= 0) {
                        $h = $w * $oh / $ow;
                }
                // fit the image on available space
                list($w, $h, $x, $y) = $this->fitBlock($w, $h, $x, $y, $fitonpage);
                if ($this->rasterize_vector_images) {
                        // convert SVG to raster image using GD or ImageMagick libraries
                        return $this->Image($file, $x, $y, $w, $h, 'SVG', $link, $align, true, 300, $palign, false, false, $border, false, false, false);
                }
                // set alignment
                $this->img_rb_y = $y + $h;
                // set alignment
                if ($this->rtl) {
                        if ($palign == 'L') {
                                $ximg = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $ximg = $this->w - $this->rMargin - $w;
                        } else {
                                $ximg = $x - $w;
                        }
                        $this->img_rb_x = $ximg;
                } else {
                        if ($palign == 'L') {
                                $ximg = $this->lMargin;
                        } elseif ($palign == 'C') {
                                $ximg = ($this->w + $this->lMargin - $this->rMargin - $w) / 2;
                        } elseif ($palign == 'R') {
                                $ximg = $this->w - $this->rMargin - $w;
                        } else {
                                $ximg = $x;
                        }
                        $this->img_rb_x = $ximg + $w;
                }
                // store current graphic vars
                $gvars = $this->getGraphicVars();
                // store SVG position and scale factors
                $svgoffset_x = ($ximg - $ox) * $this->k;
                $svgoffset_y = -($y - $oy) * $this->k;
                if (isset($view_box[2]) AND ($view_box[2] > 0) AND ($view_box[3] > 0)) {
                        $ow = $view_box[2];
                        $oh = $view_box[3];
                } else {
                        if ($ow <= 0) {
                                $ow = $w;
                        }
                        if ($oh <= 0) {
                                $oh = $h;
                        }
                }
                $svgscale_x = $w / $ow;
                $svgscale_y = $h / $oh;
                // scaling and alignment
                if ($aspect_ratio_align != 'none') {
                        // store current scaling values
                        $svgscale_old_x = $svgscale_x;
                        $svgscale_old_y = $svgscale_y;
                        // force uniform scaling
                        if ($aspect_ratio_ms == 'slice') {
                                // the entire viewport is covered by the viewBox
                                if ($svgscale_x > $svgscale_y) {
                                        $svgscale_y = $svgscale_x;
                                } elseif ($svgscale_x < $svgscale_y) {
                                        $svgscale_x = $svgscale_y;
                                }
                        } else { // meet
                                // the entire viewBox is visible within the viewport
                                if ($svgscale_x < $svgscale_y) {
                                        $svgscale_y = $svgscale_x;
                                } elseif ($svgscale_x > $svgscale_y) {
                                        $svgscale_x = $svgscale_y;
                                }
                        }
                        // correct X alignment
                        switch (substr($aspect_ratio_align, 1, 3)) {
                                case 'Min': {
                                        // do nothing
                                        break;
                                }
                                case 'Max': {
                                        $svgoffset_x += (($w * $this->k) - ($ow * $this->k * $svgscale_x));
                                        break;
                                }
                                default:
                                case 'Mid': {
                                        $svgoffset_x += ((($w * $this->k) - ($ow * $this->k * $svgscale_x)) / 2);
                                        break;
                                }
                        }
                        // correct Y alignment
                        switch (substr($aspect_ratio_align, 5)) {
                                case 'Min': {
                                        // do nothing
                                        break;
                                }
                                case 'Max': {
                                        $svgoffset_y -= (($h * $this->k) - ($oh * $this->k * $svgscale_y));
                                        break;
                                }
                                default:
                                case 'Mid': {
                                        $svgoffset_y -= ((($h * $this->k) - ($oh * $this->k * $svgscale_y)) / 2);
                                        break;
                                }
                        }
                }
                // store current page break mode
                $page_break_mode = $this->AutoPageBreak;
                $page_break_margin = $this->getBreakMargin();
                $cell_padding = $this->cell_padding;
                $this->SetCellPadding(0);
                $this->SetAutoPageBreak(false);
                // save the current graphic state
                $this->_out('q'.$this->epsmarker);
                // set initial clipping mask
                $this->Rect($ximg, $y, $w, $h, 'CNZ', array(), array());
                // scale and translate
                $e = $ox * $this->k * (1 - $svgscale_x);
                $f = ($this->h - $oy) * $this->k * (1 - $svgscale_y);
                $this->_out(sprintf('%F %F %F %F %F %F cm', $svgscale_x, 0, 0, $svgscale_y, ($e + $svgoffset_x), ($f + $svgoffset_y)));
                // creates a new XML parser to be used by the other XML functions
                $this->parser = xml_parser_create('UTF-8');
                // the following function allows to use parser inside object
                xml_set_object($this->parser, $this);
                // disable case-folding for this XML parser
                xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
                // sets the element handler functions for the XML parser
                xml_set_element_handler($this->parser, 'startSVGElementHandler', 'endSVGElementHandler');
                // sets the character data handler function for the XML parser
                xml_set_character_data_handler($this->parser, 'segSVGContentHandler');
                // start parsing an XML document
                if (!xml_parse($this->parser, $svgdata)) {
                        $error_message = sprintf('SVG Error: %s at line %d', xml_error_string(xml_get_error_code($this->parser)), xml_get_current_line_number($this->parser));
                        $this->Error($error_message);
                }
                // free this XML parser
                xml_parser_free($this->parser);
                // restore previous graphic state
                $this->_out($this->epsmarker.'Q');
                // restore graphic vars
                $this->setGraphicVars($gvars);
                $this->lasth = $gvars['lasth'];
                if (!empty($border)) {
                        $bx = $this->x;
                        $by = $this->y;
                        $this->x = $ximg;
                        if ($this->rtl) {
                                $this->x += $w;
                        }
                        $this->y = $y;
                        $this->Cell($w, $h, '', $border, 0, '', 0, '', 0, true);
                        $this->x = $bx;
                        $this->y = $by;
                }
                if ($link) {
                        $this->Link($ximg, $y, $w, $h, $link, 0);
                }
                // set pointer to align the next text/objects
                switch($align) {
                        case 'T':{
                                $this->y = $y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'M':{
                                $this->y = $y + round($h/2);
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'B':{
                                $this->y = $this->img_rb_y;
                                $this->x = $this->img_rb_x;
                                break;
                        }
                        case 'N':{
                                $this->SetY($this->img_rb_y);
                                break;
                        }
                        default:{
                                // restore pointer to starting position
                                $this->x = $gvars['x'];
                                $this->y = $gvars['y'];
                                $this->page = $gvars['page'];
                                $this->current_column = $gvars['current_column'];
                                $this->tMargin = $gvars['tMargin'];
                                $this->bMargin = $gvars['bMargin'];
                                $this->w = $gvars['w'];
                                $this->h = $gvars['h'];
                                $this->wPt = $gvars['wPt'];
                                $this->hPt = $gvars['hPt'];
                                $this->fwPt = $gvars['fwPt'];
                                $this->fhPt = $gvars['fhPt'];
                                break;
                        }
                }
                $this->endlinex = $this->img_rb_x;
                // restore page break
                $this->SetAutoPageBreak($page_break_mode, $page_break_margin);
                $this->cell_padding = $cell_padding;
        }
 
        protected function convertSVGtMatrix($tm) {
                $a = $tm[0];
                $b = -$tm[1];
                $c = -$tm[2];
                $d = $tm[3];
                $e = $this->getHTMLUnitToUnits($tm[4], 1, $this->svgunit, false) * $this->k;
                $f = -$this->getHTMLUnitToUnits($tm[5], 1, $this->svgunit, false) * $this->k;
                $x = 0;
                $y = $this->h * $this->k;
                $e = ($x * (1 - $a)) - ($y * $c) + $e;
                $f = ($y * (1 - $d)) - ($x * $b) + $f;
                return array($a, $b, $c, $d, $e, $f);
        }
 
        protected function SVGTransform($tm) {
                $this->Transform($this->convertSVGtMatrix($tm));
        }
 
        protected function setSVGStyles($svgstyle, $prevsvgstyle, $x=0, $y=0, $w=1, $h=1, $clip_function='', $clip_params=array()) {
                if ($this->state != 2) {
                         return;
                }
                $objstyle = '';
                $minlen = (0.01 / $this->k); // minimum acceptable length
                if (!isset($svgstyle['opacity'])) {
                        return $objstyle;
                }
                // clip-path
                $regs = array();
                if (preg_match('/url\‍([\s]*\#([^\‍)]*)\‍)/si', $svgstyle['clip-path'], $regs)) {
                        $clip_path = $this->svgclippaths[$regs[1]];
                        foreach ($clip_path as $cp) {
                                $this->startSVGElementHandler('clip-path', $cp['name'], $cp['attribs'], $cp['tm']);
                        }
                }
                // opacity
                if ($svgstyle['opacity'] != 1) {
                        $this->setAlpha($svgstyle['opacity'], 'Normal', $svgstyle['opacity'], false);
                }
                // color
                $fill_color = TCPDF_COLORS::convertHTMLColorToDec($svgstyle['color'], $this->spot_colors);
                $this->SetFillColorArray($fill_color);
                // text color
                $text_color = TCPDF_COLORS::convertHTMLColorToDec($svgstyle['text-color'], $this->spot_colors);
                $this->SetTextColorArray($text_color);
                // clip
                if (preg_match('/rect\‍(([a-z0-9\-\.]*)[\s]*([a-z0-9\-\.]*)[\s]*([a-z0-9\-\.]*)[\s]*([a-z0-9\-\.]*)\‍)/si', $svgstyle['clip'], $regs)) {
                        $top = (isset($regs[1])?$this->getHTMLUnitToUnits($regs[1], 0, $this->svgunit, false):0);
                        $right = (isset($regs[2])?$this->getHTMLUnitToUnits($regs[2], 0, $this->svgunit, false):0);
                        $bottom = (isset($regs[3])?$this->getHTMLUnitToUnits($regs[3], 0, $this->svgunit, false):0);
                        $left = (isset($regs[4])?$this->getHTMLUnitToUnits($regs[4], 0, $this->svgunit, false):0);
                        $cx = $x + $left;
                        $cy = $y + $top;
                        $cw = $w - $left - $right;
                        $ch = $h - $top - $bottom;
                        if ($svgstyle['clip-rule'] == 'evenodd') {
                                $clip_rule = 'CNZ';
                        } else {
                                $clip_rule = 'CEO';
                        }
                        $this->Rect($cx, $cy, $cw, $ch, $clip_rule, array(), array());
                }
                // fill
                $regs = array();
                if (preg_match('/url\‍([\s]*\#([^\‍)]*)\‍)/si', $svgstyle['fill'], $regs)) {
                        // gradient
                        $gradient = $this->svggradients[$regs[1]];
                        if (isset($gradient['xref'])) {
                                // reference to another gradient definition
                                $newgradient = $this->svggradients[$gradient['xref']];
                                $newgradient['coords'] = $gradient['coords'];
                                $newgradient['mode'] = $gradient['mode'];
                                $newgradient['type'] = $gradient['type'];
                                $newgradient['gradientUnits'] = $gradient['gradientUnits'];
                                if (isset($gradient['gradientTransform'])) {
                                        $newgradient['gradientTransform'] = $gradient['gradientTransform'];
                                }
                                $gradient = $newgradient;
                        }
                        //save current Graphic State
                        $this->_outSaveGraphicsState();
                        //set clipping area
                        if (!empty($clip_function) AND method_exists($this, $clip_function)) {
                                $bbox = call_user_func_array(array($this, $clip_function), $clip_params);
                                if ((!isset($gradient['type']) OR ($gradient['type'] != 3)) AND is_array($bbox) AND (count($bbox) == 4)) {
                                        list($x, $y, $w, $h) = $bbox;
                                }
                        }
                        if ($gradient['mode'] == 'measure') {
                                if (!isset($gradient['coords'][4])) {
                                        $gradient['coords'][4] = 0.5;
                                }
                                if (isset($gradient['gradientTransform']) AND !empty($gradient['gradientTransform'])) {
                                        $gtm = $gradient['gradientTransform'];
                                        // apply transformation matrix
                                        $xa = ($gtm[0] * $gradient['coords'][0]) + ($gtm[2] * $gradient['coords'][1]) + $gtm[4];
                                        $ya = ($gtm[1] * $gradient['coords'][0]) + ($gtm[3] * $gradient['coords'][1]) + $gtm[5];
                                        $xb = ($gtm[0] * $gradient['coords'][2]) + ($gtm[2] * $gradient['coords'][3]) + $gtm[4];
                                        $yb = ($gtm[1] * $gradient['coords'][2]) + ($gtm[3] * $gradient['coords'][3]) + $gtm[5];
                                        $r = sqrt(pow(($gtm[0] * $gradient['coords'][4]), 2) + pow(($gtm[1] * $gradient['coords'][4]), 2));
                                        $gradient['coords'][0] = $xa;
                                        $gradient['coords'][1] = $ya;
                                        $gradient['coords'][2] = $xb;
                                        $gradient['coords'][3] = $yb;
                                        $gradient['coords'][4] = $r;
                                }
                                // convert SVG coordinates to user units
                                $gradient['coords'][0] = $this->getHTMLUnitToUnits($gradient['coords'][0], 0, $this->svgunit, false);
                                $gradient['coords'][1] = $this->getHTMLUnitToUnits($gradient['coords'][1], 0, $this->svgunit, false);
                                $gradient['coords'][2] = $this->getHTMLUnitToUnits($gradient['coords'][2], 0, $this->svgunit, false);
                                $gradient['coords'][3] = $this->getHTMLUnitToUnits($gradient['coords'][3], 0, $this->svgunit, false);
                                $gradient['coords'][4] = $this->getHTMLUnitToUnits($gradient['coords'][4], 0, $this->svgunit, false);
                                if ($w <= $minlen) {
                                        $w = $minlen;
                                }
                                if ($h <= $minlen) {
                                        $h = $minlen;
                                }
                                // shift units
                                if ($gradient['gradientUnits'] == 'objectBoundingBox') {
                                        // convert to SVG coordinate system
                                        $gradient['coords'][0] += $x;
                                        $gradient['coords'][1] += $y;
                                        $gradient['coords'][2] += $x;
                                        $gradient['coords'][3] += $y;
                                }
                                // calculate percentages
                                $gradient['coords'][0] = (($gradient['coords'][0] - $x) / $w);
                                $gradient['coords'][1] = (($gradient['coords'][1] - $y) / $h);
                                $gradient['coords'][2] = (($gradient['coords'][2] - $x) / $w);
                                $gradient['coords'][3] = (($gradient['coords'][3] - $y) / $h);
                                $gradient['coords'][4] /= $w;
                        } elseif ($gradient['mode'] == 'percentage') {
                                foreach($gradient['coords'] as $key => $val) {
                                        $gradient['coords'][$key] = (intval($val) / 100);
                                        if ($val < 0) {
                                                $gradient['coords'][$key] = 0;
                                        } elseif ($val > 1) {
                                                $gradient['coords'][$key] = 1;
                                        }
                                }
                        }
                        if (($gradient['type'] == 2) AND ($gradient['coords'][0] == $gradient['coords'][2]) AND ($gradient['coords'][1] == $gradient['coords'][3])) {
                                // single color (no shading)
                                $gradient['coords'][0] = 1;
                                $gradient['coords'][1] = 0;
                                $gradient['coords'][2] = 0.999;
                                $gradient['coords'][3] = 0;
                        }
                        // swap Y coordinates
                        $tmp = $gradient['coords'][1];
                        $gradient['coords'][1] = $gradient['coords'][3];
                        $gradient['coords'][3] = $tmp;
                        // set transformation map for gradient
                        $cy = ($this->h - $y);
                        if ($gradient['type'] == 3) {
                                // circular gradient
                                $cy -= ($gradient['coords'][1] * ($w + $h));
                                $h = $w = max($w, $h);
                        } else {
                                $cy -= $h;
                        }
                        $this->_out(sprintf('%F 0 0 %F %F %F cm', ($w * $this->k), ($h * $this->k), ($x * $this->k), ($cy * $this->k)));
                        if (count($gradient['stops']) > 1) {
                                $this->Gradient($gradient['type'], $gradient['coords'], $gradient['stops'], array(), false);
                        }
                } elseif ($svgstyle['fill'] != 'none') {
                        $fill_color = TCPDF_COLORS::convertHTMLColorToDec($svgstyle['fill'], $this->spot_colors);
                        if ($svgstyle['fill-opacity'] != 1) {
                                $this->setAlpha($this->alpha['CA'], 'Normal', $svgstyle['fill-opacity'], false);
                        }
                        $this->SetFillColorArray($fill_color);
                        if ($svgstyle['fill-rule'] == 'evenodd') {
                                $objstyle .= 'F*';
                        } else {
                                $objstyle .= 'F';
                        }
                }
                // stroke
                if ($svgstyle['stroke'] != 'none') {
                        if ($svgstyle['stroke-opacity'] != 1) {
                                $this->setAlpha($svgstyle['stroke-opacity'], 'Normal', $this->alpha['ca'], false);
                        } elseif (preg_match('/rgba\‍(\d+%?,\s*\d+%?,\s*\d+%?,\s*(\d+(?:\.\d+)?)\‍)/i', $svgstyle['stroke'], $rgba_matches)) {
                                $this->setAlpha($rgba_matches[1], 'Normal', $this->alpha['ca'], false);
                        }
                        $stroke_style = array(
                                'color' => TCPDF_COLORS::convertHTMLColorToDec($svgstyle['stroke'], $this->spot_colors),
                                'width' => $this->getHTMLUnitToUnits($svgstyle['stroke-width'], 0, $this->svgunit, false),
                                'cap' => $svgstyle['stroke-linecap'],
                                'join' => $svgstyle['stroke-linejoin']
                                );
                        if (isset($svgstyle['stroke-dasharray']) AND !empty($svgstyle['stroke-dasharray']) AND ($svgstyle['stroke-dasharray'] != 'none')) {
                                $stroke_style['dash'] = $svgstyle['stroke-dasharray'];
                        }
                        $this->SetLineStyle($stroke_style);
                        $objstyle .= 'D';
                }
                // font
                $regs = array();
                if (!empty($svgstyle['font'])) {
                        if (preg_match('/font-family[\s]*:[\s]*([^\;\"]*)/si', $svgstyle['font'], $regs)) {
                                $font_family = $this->getFontFamilyName($regs[1]);
                        } else {
                                $font_family = $svgstyle['font-family'];
                        }
                        if (preg_match('/font-size[\s]*:[\s]*([^\s\;\"]*)/si', $svgstyle['font'], $regs)) {
                                $font_size = trim($regs[1]);
                        } else {
                                $font_size = $svgstyle['font-size'];
                        }
                        if (preg_match('/font-style[\s]*:[\s]*([^\s\;\"]*)/si', $svgstyle['font'], $regs)) {
                                $font_style = trim($regs[1]);
                        } else {
                                $font_style = $svgstyle['font-style'];
                        }
                        if (preg_match('/font-weight[\s]*:[\s]*([^\s\;\"]*)/si', $svgstyle['font'], $regs)) {
                                $font_weight = trim($regs[1]);
                        } else {
                                $font_weight = $svgstyle['font-weight'];
                        }
                        if (preg_match('/font-stretch[\s]*:[\s]*([^\s\;\"]*)/si', $svgstyle['font'], $regs)) {
                                $font_stretch = trim($regs[1]);
                        } else {
                                $font_stretch = $svgstyle['font-stretch'];
                        }
                        if (preg_match('/letter-spacing[\s]*:[\s]*([^\s\;\"]*)/si', $svgstyle['font'], $regs)) {
                                $font_spacing = trim($regs[1]);
                        } else {
                                $font_spacing = $svgstyle['letter-spacing'];
                        }
                } else {
                        $font_family = $this->getFontFamilyName($svgstyle['font-family']);
                        $font_size = $svgstyle['font-size'];
                        $font_style = $svgstyle['font-style'];
                        $font_weight = $svgstyle['font-weight'];
                        $font_stretch = $svgstyle['font-stretch'];
                        $font_spacing = $svgstyle['letter-spacing'];
                }
                $font_size = $this->getHTMLFontUnits($font_size, $this->svgstyles[0]['font-size'], $prevsvgstyle['font-size'], $this->svgunit);
                $font_stretch = $this->getCSSFontStretching($font_stretch, $svgstyle['font-stretch']);
                $font_spacing = $this->getCSSFontSpacing($font_spacing, $svgstyle['letter-spacing']);
                switch ($font_style) {
                        case 'italic': {
                                $font_style = 'I';
                                break;
                        }
                        case 'oblique': {
                                $font_style = 'I';
                                break;
                        }
                        default:
                        case 'normal': {
                                $font_style = '';
                                break;
                        }
                }
                switch ($font_weight) {
                        case 'bold':
                        case 'bolder': {
                                $font_style .= 'B';
                                break;
                        }
                        case 'normal': {
                                if ((substr($font_family, -1) == 'I') AND (substr($font_family, -2, 1) == 'B')) {
                                        $font_family = substr($font_family, 0, -2).'I';
                                } elseif (substr($font_family, -1) == 'B') {
                                        $font_family = substr($font_family, 0, -1);
                                }
                                break;
                        }
                }
                switch ($svgstyle['text-decoration']) {
                        case 'underline': {
                                $font_style .= 'U';
                                break;
                        }
                        case 'overline': {
                                $font_style .= 'O';
                                break;
                        }
                        case 'line-through': {
                                $font_style .= 'D';
                                break;
                        }
                        default:
                        case 'none': {
                                break;
                        }
                }
                $this->SetFont($font_family, $font_style, $font_size);
                $this->setFontStretching($font_stretch);
                $this->setFontSpacing($font_spacing);
                return $objstyle;
        }
 
        protected function SVGPath($d, $style='') {
                if ($this->state != 2) {
                         return;
                }
                // set fill/stroke style
                $op = TCPDF_STATIC::getPathPaintOperator($style, '');
                if (empty($op)) {
                        return;
                }
                $paths = array();
                $d = preg_replace('/([0-9ACHLMQSTVZ])([\-\+])/si', '\\1 \\2', $d);
                preg_match_all('/([ACHLMQSTVZ])[\s]*([^ACHLMQSTVZ\"]*)/si', $d, $paths, PREG_SET_ORDER);
                $x = 0;
                $y = 0;
                $x1 = 0;
                $y1 = 0;
                $x2 = 0;
                $y2 = 0;
                $xmin = 2147483647;
                $xmax = 0;
                $ymin = 2147483647;
                $ymax = 0;
                $relcoord = false;
                $minlen = (0.01 / $this->k); // minimum acceptable length (3 point)
                $firstcmd = true; // used to print first point
                // draw curve pieces
                foreach ($paths as $key => $val) {
                        // get curve type
                        $cmd = trim($val[1]);
                        if (strtolower($cmd) == $cmd) {
                                // use relative coordinated instead of absolute
                                $relcoord = true;
                                $xoffset = $x;
                                $yoffset = $y;
                        } else {
                                $relcoord = false;
                                $xoffset = 0;
                                $yoffset = 0;
                        }
                        $params = array();
                        if (isset($val[2])) {
                                // get curve parameters
                                $rawparams = preg_split('/([\,\s]+)/si', trim($val[2]));
                                $params = array();
                                foreach ($rawparams as $ck => $cp) {
                                        $params[$ck] = $this->getHTMLUnitToUnits($cp, 0, $this->svgunit, false);
                                        if (abs($params[$ck]) < $minlen) {
                                                // approximate little values to zero
                                                $params[$ck] = 0;
                                        }
                                }
                        }
                        // store current origin point
                        $x0 = $x;
                        $y0 = $y;
                        switch (strtoupper($cmd)) {
                                case 'M': { // moveto
                                        foreach ($params as $ck => $cp) {
                                                if (($ck % 2) == 0) {
                                                        $x = $cp + $xoffset;
                                                } else {
                                                        $y = $cp + $yoffset;
                                                        if ($firstcmd OR (abs($x0 - $x) >= $minlen) OR (abs($y0 - $y) >= $minlen)) {
                                                                if ($ck == 1) {
                                                                        $this->_outPoint($x, $y);
                                                                        $firstcmd = false;
                                                                } else {
                                                                        $this->_outLine($x, $y);
                                                                }
                                                                $x0 = $x;
                                                                $y0 = $y;
                                                        }
                                                        $xmin = min($xmin, $x);
                                                        $ymin = min($ymin, $y);
                                                        $xmax = max($xmax, $x);
                                                        $ymax = max($ymax, $y);
                                                        if ($relcoord) {
                                                                $xoffset = $x;
                                                                $yoffset = $y;
                                                        }
                                                }
                                        }
                                        break;
                                }
                                case 'L': { // lineto
                                        foreach ($params as $ck => $cp) {
                                                if (($ck % 2) == 0) {
                                                        $x = $cp + $xoffset;
                                                } else {
                                                        $y = $cp + $yoffset;
                                                        if ((abs($x0 - $x) >= $minlen) OR (abs($y0 - $y) >= $minlen)) {
                                                                $this->_outLine($x, $y);
                                                                $x0 = $x;
                                                                $y0 = $y;
                                                        }
                                                        $xmin = min($xmin, $x);
                                                        $ymin = min($ymin, $y);
                                                        $xmax = max($xmax, $x);
                                                        $ymax = max($ymax, $y);
                                                        if ($relcoord) {
                                                                $xoffset = $x;
                                                                $yoffset = $y;
                                                        }
                                                }
                                        }
                                        break;
                                }
                                case 'H': { // horizontal lineto
                                        foreach ($params as $ck => $cp) {
                                                $x = $cp + $xoffset;
                                                if ((abs($x0 - $x) >= $minlen) OR (abs($y0 - $y) >= $minlen)) {
                                                        $this->_outLine($x, $y);
                                                        $x0 = $x;
                                                        $y0 = $y;
                                                }
                                                $xmin = min($xmin, $x);
                                                $xmax = max($xmax, $x);
                                                if ($relcoord) {
                                                        $xoffset = $x;
                                                }
                                        }
                                        break;
                                }
                                case 'V': { // vertical lineto
                                        foreach ($params as $ck => $cp) {
                                                $y = $cp + $yoffset;
                                                if ((abs($x0 - $x) >= $minlen) OR (abs($y0 - $y) >= $minlen)) {
                                                        $this->_outLine($x, $y);
                                                        $x0 = $x;
                                                        $y0 = $y;
                                                }
                                                $ymin = min($ymin, $y);
                                                $ymax = max($ymax, $y);
                                                if ($relcoord) {
                                                        $yoffset = $y;
                                                }
                                        }
                                        break;
                                }
                                case 'C': { // curveto
                                        foreach ($params as $ck => $cp) {
                                                $params[$ck] = $cp;
                                                if ((($ck + 1) % 6) == 0) {
                                                        $x1 = $params[($ck - 5)] + $xoffset;
                                                        $y1 = $params[($ck - 4)] + $yoffset;
                                                        $x2 = $params[($ck - 3)] + $xoffset;
                                                        $y2 = $params[($ck - 2)] + $yoffset;
                                                        $x = $params[($ck - 1)] + $xoffset;
                                                        $y = $params[($ck)] + $yoffset;
                                                        $this->_outCurve($x1, $y1, $x2, $y2, $x, $y);
                                                        $xmin = min($xmin, $x, $x1, $x2);
                                                        $ymin = min($ymin, $y, $y1, $y2);
                                                        $xmax = max($xmax, $x, $x1, $x2);
                                                        $ymax = max($ymax, $y, $y1, $y2);
                                                        if ($relcoord) {
                                                                $xoffset = $x;
                                                                $yoffset = $y;
                                                        }
                                                }
                                        }
                                        break;
                                }
                                case 'S': { // shorthand/smooth curveto
                                        foreach ($params as $ck => $cp) {
                                                $params[$ck] = $cp;
                                                if ((($ck + 1) % 4) == 0) {
                                                        if (($key > 0) AND ((strtoupper($paths[($key - 1)][1]) == 'C') OR (strtoupper($paths[($key - 1)][1]) == 'S'))) {
                                                                $x1 = (2 * $x) - $x2;
                                                                $y1 = (2 * $y) - $y2;
                                                        } else {
                                                                $x1 = $x;
                                                                $y1 = $y;
                                                        }
                                                        $x2 = $params[($ck - 3)] + $xoffset;
                                                        $y2 = $params[($ck - 2)] + $yoffset;
                                                        $x = $params[($ck - 1)] + $xoffset;
                                                        $y = $params[($ck)] + $yoffset;
                                                        $this->_outCurve($x1, $y1, $x2, $y2, $x, $y);
                                                        $xmin = min($xmin, $x, $x1, $x2);
                                                        $ymin = min($ymin, $y, $y1, $y2);
                                                        $xmax = max($xmax, $x, $x1, $x2);
                                                        $ymax = max($ymax, $y, $y1, $y2);
                                                        if ($relcoord) {
                                                                $xoffset = $x;
                                                                $yoffset = $y;
                                                        }
                                                }
                                        }
                                        break;
                                }
                                case 'Q': { // quadratic Bezier curveto
                                        foreach ($params as $ck => $cp) {
                                                $params[$ck] = $cp;
                                                if ((($ck + 1) % 4) == 0) {
                                                        // convert quadratic points to cubic points
                                                        $x1 = $params[($ck - 3)] + $xoffset;
                                                        $y1 = $params[($ck - 2)] + $yoffset;
                                                        $xa = ($x + (2 * $x1)) / 3;
                                                        $ya = ($y + (2 * $y1)) / 3;
                                                        $x = $params[($ck - 1)] + $xoffset;
                                                        $y = $params[($ck)] + $yoffset;
                                                        $xb = ($x + (2 * $x1)) / 3;
                                                        $yb = ($y + (2 * $y1)) / 3;
                                                        $this->_outCurve($xa, $ya, $xb, $yb, $x, $y);
                                                        $xmin = min($xmin, $x, $xa, $xb);
                                                        $ymin = min($ymin, $y, $ya, $yb);
                                                        $xmax = max($xmax, $x, $xa, $xb);
                                                        $ymax = max($ymax, $y, $ya, $yb);
                                                        if ($relcoord) {
                                                                $xoffset = $x;
                                                                $yoffset = $y;
                                                        }
                                                }
                                        }
                                        break;
                                }
                                case 'T': { // shorthand/smooth quadratic Bezier curveto
                                        foreach ($params as $ck => $cp) {
                                                $params[$ck] = $cp;
                                                if (($ck % 2) != 0) {
                                                        if (($key > 0) AND ((strtoupper($paths[($key - 1)][1]) == 'Q') OR (strtoupper($paths[($key - 1)][1]) == 'T'))) {
                                                                $x1 = (2 * $x) - $x1;
                                                                $y1 = (2 * $y) - $y1;
                                                        } else {
                                                                $x1 = $x;
                                                                $y1 = $y;
                                                        }
                                                        // convert quadratic points to cubic points
                                                        $xa = ($x + (2 * $x1)) / 3;
                                                        $ya = ($y + (2 * $y1)) / 3;
                                                        $x = $params[($ck - 1)] + $xoffset;
                                                        $y = $params[($ck)] + $yoffset;
                                                        $xb = ($x + (2 * $x1)) / 3;
                                                        $yb = ($y + (2 * $y1)) / 3;
                                                        $this->_outCurve($xa, $ya, $xb, $yb, $x, $y);
                                                        $xmin = min($xmin, $x, $xa, $xb);
                                                        $ymin = min($ymin, $y, $ya, $yb);
                                                        $xmax = max($xmax, $x, $xa, $xb);
                                                        $ymax = max($ymax, $y, $ya, $yb);
                                                        if ($relcoord) {
                                                                $xoffset = $x;
                                                                $yoffset = $y;
                                                        }
                                                }
                                        }
                                        break;
                                }
                                case 'A': { // elliptical arc
                                        foreach ($params as $ck => $cp) {
                                                $params[$ck] = $cp;
                                                if ((($ck + 1) % 7) == 0) {
                                                        $x0 = $x;
                                                        $y0 = $y;
                                                        $rx = abs($params[($ck - 6)]);
                                                        $ry = abs($params[($ck - 5)]);
                                                        $ang = -$rawparams[($ck - 4)];
                                                        $angle = deg2rad($ang);
                                                        $fa = $rawparams[($ck - 3)]; // large-arc-flag
                                                        $fs = $rawparams[($ck - 2)]; // sweep-flag
                                                        $x = $params[($ck - 1)] + $xoffset;
                                                        $y = $params[$ck] + $yoffset;
                                                        if ((abs($x0 - $x) < $minlen) AND (abs($y0 - $y) < $minlen)) {
                                                                // endpoints are almost identical
                                                                $xmin = min($xmin, $x);
                                                                $ymin = min($ymin, $y);
                                                                $xmax = max($xmax, $x);
                                                                $ymax = max($ymax, $y);
                                                        } else {
                                                                $cos_ang = cos($angle);
                                                                $sin_ang = sin($angle);
                                                                $a = (($x0 - $x) / 2);
                                                                $b = (($y0 - $y) / 2);
                                                                $xa = ($a * $cos_ang) - ($b * $sin_ang);
                                                                $ya = ($a * $sin_ang) + ($b * $cos_ang);
                                                                $rx2 = $rx * $rx;
                                                                $ry2 = $ry * $ry;
                                                                $xa2 = $xa * $xa;
                                                                $ya2 = $ya * $ya;
                                                                $delta = ($xa2 / $rx2) + ($ya2 / $ry2);
                                                                if ($delta > 1) {
                                                                        $rx *= sqrt($delta);
                                                                        $ry *= sqrt($delta);
                                                                        $rx2 = $rx * $rx;
                                                                        $ry2 = $ry * $ry;
                                                                }
                                                                $numerator = (($rx2 * $ry2) - ($rx2 * $ya2) - ($ry2 * $xa2));
                                                                if ($numerator < 0) {
                                                                        $root = 0;
                                                                } else {
                                                                        $root = sqrt($numerator / (($rx2 * $ya2) + ($ry2 * $xa2)));
                                                                }
                                                                if ($fa == $fs){
                                                                        $root *= -1;
                                                                }
                                                                $cax = $root * (($rx * $ya) / $ry);
                                                                $cay = -$root * (($ry * $xa) / $rx);
                                                                // coordinates of ellipse center
                                                                $cx = ($cax * $cos_ang) - ($cay * $sin_ang) + (($x0 + $x) / 2);
                                                                $cy = ($cax * $sin_ang) + ($cay * $cos_ang) + (($y0 + $y) / 2);
                                                                // get angles
                                                                $angs = TCPDF_STATIC::getVectorsAngle(1, 0, (($xa - $cax) / $rx), (($cay - $ya) / $ry));
                                                                $dang = TCPDF_STATIC::getVectorsAngle((($xa - $cax) / $rx), (($ya - $cay) / $ry), ((-$xa - $cax) / $rx), ((-$ya - $cay) / $ry));
                                                                if (($fs == 0) AND ($dang > 0)) {
                                                                        $dang -= (2 * M_PI);
                                                                } elseif (($fs == 1) AND ($dang < 0)) {
                                                                        $dang += (2 * M_PI);
                                                                }
                                                                $angf = $angs - $dang;
                                                                if ((($fs == 0) AND ($angs > $angf)) OR (($fs == 1) AND ($angs < $angf))) {
                                                                        // reverse angles
                                                                        $tmp = $angs;
                                                                        $angs = $angf;
                                                                        $angf = $tmp;
                                                                }
                                                                $angs = round(rad2deg($angs), 6);
                                                                $angf = round(rad2deg($angf), 6);
                                                                // covent angles to positive values
                                                                if (($angs < 0) AND ($angf < 0)) {
                                                                        $angs += 360;
                                                                        $angf += 360;
                                                                }
                                                                $pie = false;
                                                                if (($key == 0) AND (isset($paths[($key + 1)][1])) AND (trim($paths[($key + 1)][1]) == 'z')) {
                                                                        $pie = true;
                                                                }
                                                                list($axmin, $aymin, $axmax, $aymax) = $this->_outellipticalarc($cx, $cy, $rx, $ry, $ang, $angs, $angf, $pie, 2, false, ($fs == 0), true);
                                                                $xmin = min($xmin, $x, $axmin);
                                                                $ymin = min($ymin, $y, $aymin);
                                                                $xmax = max($xmax, $x, $axmax);
                                                                $ymax = max($ymax, $y, $aymax);
                                                        }
                                                        if ($relcoord) {
                                                                $xoffset = $x;
                                                                $yoffset = $y;
                                                        }
                                                }
                                        }
                                        break;
                                }
                                case 'Z': {
                                        $this->_out('h');
                                        break;
                                }
                        }
                        $firstcmd = false;
                } // end foreach
                if (!empty($op)) {
                        $this->_out($op);
                }
                return array($xmin, $ymin, ($xmax - $xmin), ($ymax - $ymin));
        }
 
        protected function removeTagNamespace($name) {
                if(strpos($name, ':') !== false) {
                        $parts = explode(':', $name);
                        return $parts[(sizeof($parts) - 1)];
                }
                return $name;
        }
                
        protected function startSVGElementHandler($parser, $name, $attribs, $ctm=array()) {
                $name = $this->removeTagNamespace($name);
                // check if we are in clip mode
                if ($this->svgclipmode) {
                        $this->svgclippaths[$this->svgclipid][] = array('name' => $name, 'attribs' => $attribs, 'tm' => $this->svgcliptm[$this->svgclipid]);
                        return;
                }
                if ($this->svgdefsmode AND !in_array($name, array('clipPath', 'linearGradient', 'radialGradient', 'stop'))) {
                        if (isset($attribs['id'])) {
                                $attribs['child_elements'] = array();
                                $this->svgdefs[$attribs['id']] = array('name' => $name, 'attribs' => $attribs);
                                return;
                        }
                        if (end($this->svgdefs) !== FALSE) {
                                $last_svgdefs_id = key($this->svgdefs);
                                if (isset($this->svgdefs[$last_svgdefs_id]['attribs']['child_elements'])) {
                                        $attribs['id'] = 'DF_'.(count($this->svgdefs[$last_svgdefs_id]['attribs']['child_elements']) + 1);
                                        $this->svgdefs[$last_svgdefs_id]['attribs']['child_elements'][$attribs['id']] = array('name' => $name, 'attribs' => $attribs);
                                        return;
                                }
                        }
                        return;
                }
                $clipping = false;
                if ($parser == 'clip-path') {
                        // set clipping mode
                        $clipping = true;
                }
                // get styling properties
                $prev_svgstyle = $this->svgstyles[max(0,(count($this->svgstyles) - 1))]; // previous style
                $svgstyle = $this->svgstyles[0]; // set default style
                if ($clipping AND !isset($attribs['fill']) AND (!isset($attribs['style']) OR (!preg_match('/[;\"\s]{1}fill[\s]*:[\s]*([^;\"]*)/si', $attribs['style'], $attrval)))) {
                        // default fill attribute for clipping
                        $attribs['fill'] = 'none';
                }
                if (isset($attribs['style']) AND !TCPDF_STATIC::empty_string($attribs['style']) AND ($attribs['style'][0] != ';')) {
                        // fix style for regular expression
                        $attribs['style'] = ';'.$attribs['style'];
                }
                foreach ($prev_svgstyle as $key => $val) {
                        if (in_array($key, TCPDF_IMAGES::$svginheritprop)) {
                                // inherit previous value
                                $svgstyle[$key] = $val;
                        }
                        if (isset($attribs[$key]) AND !TCPDF_STATIC::empty_string($attribs[$key])) {
                                // specific attribute settings
                                if ($attribs[$key] == 'inherit') {
                                        $svgstyle[$key] = $val;
                                } else {
                                        $svgstyle[$key] = $attribs[$key];
                                }
                        } elseif (isset($attribs['style']) AND !TCPDF_STATIC::empty_string($attribs['style'])) {
                                // CSS style syntax
                                $attrval = array();
                                if (preg_match('/[;\"\s]{1}'.$key.'[\s]*:[\s]*([^;\"]*)/si', $attribs['style'], $attrval) AND isset($attrval[1])) {
                                        if ($attrval[1] == 'inherit') {
                                                $svgstyle[$key] = $val;
                                        } else {
                                                $svgstyle[$key] = $attrval[1];
                                        }
                                }
                        }
                }
                // transformation matrix
                if (!empty($ctm)) {
                        $tm = $ctm;
                } else {
                        $tm = array(1,0,0,1,0,0);
                }
                if (isset($attribs['transform']) AND !empty($attribs['transform'])) {
                        $tm = TCPDF_STATIC::getTransformationMatrixProduct($tm, TCPDF_STATIC::getSVGTransformMatrix($attribs['transform']));
                }
                $svgstyle['transfmatrix'] = $tm;
                $invisible = false;
                if (($svgstyle['visibility'] == 'hidden') OR ($svgstyle['visibility'] == 'collapse') OR ($svgstyle['display'] == 'none')) {
                        // the current graphics element is invisible (nothing is painted)
                        $invisible = true;
                }
                // process tag
                switch($name) {
                        case 'defs': {
                                $this->svgdefsmode = true;
                                break;
                        }
                        // clipPath
                        case 'clipPath': {
                                if ($invisible) {
                                        break;
                                }
                                $this->svgclipmode = true;
                                if (!isset($attribs['id'])) {
                                        $attribs['id'] = 'CP_'.(count($this->svgcliptm) + 1);
                                }
                                $this->svgclipid = $attribs['id'];
                                $this->svgclippaths[$this->svgclipid] = array();
                                $this->svgcliptm[$this->svgclipid] = $tm;
                                break;
                        }
                        case 'svg': {
                                // start of SVG object
                                if(++$this->svg_tag_depth <= 1) {
                                        break;
                                }
                                // inner SVG
                                array_push($this->svgstyles, $svgstyle);
                                $this->StartTransform();
                                $svgX = (isset($attribs['x'])?$attribs['x']:0);
                                $svgY = (isset($attribs['y'])?$attribs['y']:0);
                                $svgW = (isset($attribs['width'])?$attribs['width']:0);
                                $svgH = (isset($attribs['height'])?$attribs['height']:0);
                                // set x, y position using transform matrix
                                $tm = TCPDF_STATIC::getTransformationMatrixProduct($tm, array( 1, 0, 0, 1, $svgX, $svgY));
                                $this->SVGTransform($tm);
                                // set clipping for width and height
                                $x = 0;
                                $y = 0;
                                $w = (isset($attribs['width'])?$this->getHTMLUnitToUnits($attribs['width'], 0, $this->svgunit, false):$this->w);
                                $h = (isset($attribs['height'])?$this->getHTMLUnitToUnits($attribs['height'], 0, $this->svgunit, false):$this->h);
                                // draw clipping rect
                                $this->Rect($x, $y, $w, $h, 'CNZ', array(), array());
                                // parse viewbox, calculate extra transformation matrix
                                if (isset($attribs['viewBox'])) {
                                        $tmp = array();
                                        preg_match_all("/[0-9]+/", $attribs['viewBox'], $tmp);
                                        $tmp = $tmp[0];
                                        if (sizeof($tmp) == 4) {
                                                $vx = $tmp[0];
                                                $vy = $tmp[1];
                                                $vw = $tmp[2];
                                                $vh = $tmp[3];
                                                // get aspect ratio
                                                $tmp = array();
                                                $aspectX = 'xMid';
                                                $aspectY = 'YMid';
                                                $fit = 'meet';
                                                if (isset($attribs['preserveAspectRatio'])) {
                                                        if($attribs['preserveAspectRatio'] == 'none') {
                                                                $fit = 'none';
                                                        } else {
                                                                preg_match_all('/[a-zA-Z]+/', $attribs['preserveAspectRatio'], $tmp);
                                                                $tmp = $tmp[0];
                                                                if ((sizeof($tmp) == 2) AND (strlen($tmp[0]) == 8) AND (in_array($tmp[1], array('meet', 'slice', 'none')))) {
                                                                        $aspectX = substr($tmp[0], 0, 4);
                                                                        $aspectY = substr($tmp[0], 4, 4);
                                                                        $fit = $tmp[1];
                                                                }
                                                        }
                                                }
                                                $wr = ($svgW / $vw);
                                                $hr = ($svgH / $vh);
                                                $ax = $ay = 0;
                                                if ((($fit == 'meet') AND ($hr < $wr)) OR (($fit == 'slice') AND ($hr > $wr))) {
                                                        if ($aspectX == 'xMax') {
                                                                $ax = (($vw * ($wr / $hr)) - $vw);
                                                        }
                                                        if ($aspectX == 'xMid') {
                                                                $ax = ((($vw * ($wr / $hr)) - $vw) / 2);
                                                        }
                                                        $wr = $hr;
                                                } elseif ((($fit == 'meet') AND ($hr > $wr)) OR (($fit == 'slice') AND ($hr < $wr))) {
                                                        if ($aspectY == 'YMax') {
                                                                $ay = (($vh * ($hr / $wr)) - $vh);
                                                        }
                                                        if ($aspectY == 'YMid') {
                                                                $ay = ((($vh * ($hr / $wr)) - $vh) / 2);
                                                        }
                                                        $hr = $wr;
                                                }
                                                $newtm = array($wr, 0, 0, $hr, (($wr * ($ax - $vx)) - $svgX), (($hr * ($ay - $vy)) - $svgY));
                                                $tm = TCPDF_STATIC::getTransformationMatrixProduct($tm, $newtm);
                                                $this->SVGTransform($tm);
                                        }
                                }
                                $this->setSVGStyles($svgstyle, $prev_svgstyle);
                                break;
                        }
                        case 'g': {
                                // group together related graphics elements
                                array_push($this->svgstyles, $svgstyle);
                                $this->StartTransform();
                                $x = (isset($attribs['x'])?$attribs['x']:0);
                                $y = (isset($attribs['y'])?$attribs['y']:0);
                                $w = 1;//(isset($attribs['width'])?$attribs['width']:1);
                                $h = 1;//(isset($attribs['height'])?$attribs['height']:1);
                                $tm = TCPDF_STATIC::getTransformationMatrixProduct($tm, array($w, 0, 0, $h, $x, $y));
                                $this->SVGTransform($tm);
                                $this->setSVGStyles($svgstyle, $prev_svgstyle);
                                break;
                        }
                        case 'linearGradient': {
                                if ($this->pdfa_mode) {
                                        break;
                                }
                                if (!isset($attribs['id'])) {
                                        $attribs['id'] = 'GR_'.(count($this->svggradients) + 1);
                                }
                                $this->svggradientid = $attribs['id'];
                                $this->svggradients[$this->svggradientid] = array();
                                $this->svggradients[$this->svggradientid]['type'] = 2;
                                $this->svggradients[$this->svggradientid]['stops'] = array();
                                if (isset($attribs['gradientUnits'])) {
                                        $this->svggradients[$this->svggradientid]['gradientUnits'] = $attribs['gradientUnits'];
                                } else {
                                        $this->svggradients[$this->svggradientid]['gradientUnits'] = 'objectBoundingBox';
                                }
                                //$attribs['spreadMethod']
                                if (((!isset($attribs['x1'])) AND (!isset($attribs['y1'])) AND (!isset($attribs['x2'])) AND (!isset($attribs['y2'])))
                                        OR ((isset($attribs['x1']) AND (substr($attribs['x1'], -1) == '%'))
                                                OR (isset($attribs['y1']) AND (substr($attribs['y1'], -1) == '%'))
                                                OR (isset($attribs['x2']) AND (substr($attribs['x2'], -1) == '%'))
                                                OR (isset($attribs['y2']) AND (substr($attribs['y2'], -1) == '%')))) {
                                        $this->svggradients[$this->svggradientid]['mode'] = 'percentage';
                                } else {
                                        $this->svggradients[$this->svggradientid]['mode'] = 'measure';
                                }
                                $x1 = (isset($attribs['x1'])?$attribs['x1']:'0');
                                $y1 = (isset($attribs['y1'])?$attribs['y1']:'0');
                                $x2 = (isset($attribs['x2'])?$attribs['x2']:'100');
                                $y2 = (isset($attribs['y2'])?$attribs['y2']:'0');
                                if (isset($attribs['gradientTransform'])) {
                                        $this->svggradients[$this->svggradientid]['gradientTransform'] = TCPDF_STATIC::getSVGTransformMatrix($attribs['gradientTransform']);
                                }
                                $this->svggradients[$this->svggradientid]['coords'] = array($x1, $y1, $x2, $y2);
                                if (isset($attribs['xlink:href']) AND !empty($attribs['xlink:href'])) {
                                        // gradient is defined on another place
                                        $this->svggradients[$this->svggradientid]['xref'] = substr($attribs['xlink:href'], 1);
                                }
                                break;
                        }
                        case 'radialGradient': {
                                if ($this->pdfa_mode) {
                                        break;
                                }
                                if (!isset($attribs['id'])) {
                                        $attribs['id'] = 'GR_'.(count($this->svggradients) + 1);
                                }
                                $this->svggradientid = $attribs['id'];
                                $this->svggradients[$this->svggradientid] = array();
                                $this->svggradients[$this->svggradientid]['type'] = 3;
                                $this->svggradients[$this->svggradientid]['stops'] = array();
                                if (isset($attribs['gradientUnits'])) {
                                        $this->svggradients[$this->svggradientid]['gradientUnits'] = $attribs['gradientUnits'];
                                } else {
                                        $this->svggradients[$this->svggradientid]['gradientUnits'] = 'objectBoundingBox';
                                }
                                //$attribs['spreadMethod']
                                if (((!isset($attribs['cx'])) AND (!isset($attribs['cy'])))
                                        OR ((isset($attribs['cx']) AND (substr($attribs['cx'], -1) == '%'))
                                        OR (isset($attribs['cy']) AND (substr($attribs['cy'], -1) == '%')))) {
                                        $this->svggradients[$this->svggradientid]['mode'] = 'percentage';
                                } elseif (isset($attribs['r']) AND is_numeric($attribs['r']) AND ($attribs['r']) <= 1) {
                                        $this->svggradients[$this->svggradientid]['mode'] = 'ratio';
                                } else {
                                        $this->svggradients[$this->svggradientid]['mode'] = 'measure';
                                }
                                $cx = (isset($attribs['cx']) ? $attribs['cx'] : 0.5);
                                $cy = (isset($attribs['cy']) ? $attribs['cy'] : 0.5);
                                $fx = (isset($attribs['fx']) ? $attribs['fx'] : $cx);
                                $fy = (isset($attribs['fy']) ? $attribs['fy'] : $cy);
                                $r = (isset($attribs['r']) ? $attribs['r'] : 0.5);
                                if (isset($attribs['gradientTransform'])) {
                                        $this->svggradients[$this->svggradientid]['gradientTransform'] = TCPDF_STATIC::getSVGTransformMatrix($attribs['gradientTransform']);
                                }
                                $this->svggradients[$this->svggradientid]['coords'] = array($cx, $cy, $fx, $fy, $r);
                                if (isset($attribs['xlink:href']) AND !empty($attribs['xlink:href'])) {
                                        // gradient is defined on another place
                                        $this->svggradients[$this->svggradientid]['xref'] = substr($attribs['xlink:href'], 1);
                                }
                                break;
                        }
                        case 'stop': {
                                // gradient stops
                                if (substr($attribs['offset'], -1) == '%') {
                                        $offset = floatval(substr($attribs['offset'], -1)) / 100;
                                } else {
                                        $offset = floatval($attribs['offset']);
                                        if ($offset > 1) {
                                                $offset /= 100;
                                        }
                                }
                                $stop_color = isset($svgstyle['stop-color'])?TCPDF_COLORS::convertHTMLColorToDec($svgstyle['stop-color'], $this->spot_colors):'black';
                                $opacity = isset($svgstyle['stop-opacity'])?$svgstyle['stop-opacity']:1;
                                $this->svggradients[$this->svggradientid]['stops'][] = array('offset' => $offset, 'color' => $stop_color, 'opacity' => $opacity);
                                break;
                        }
                        // paths
                        case 'path': {
                                if ($invisible) {
                                        break;
                                }
                                if (isset($attribs['d'])) {
                                        $d = trim($attribs['d']);
                                        if (!empty($d)) {
                                                $x = (isset($attribs['x'])?$attribs['x']:0);
                                                $y = (isset($attribs['y'])?$attribs['y']:0);
                                                $w = (isset($attribs['width'])?$attribs['width']:1);
                                                $h = (isset($attribs['height'])?$attribs['height']:1);
                                                $tm = TCPDF_STATIC::getTransformationMatrixProduct($tm, array($w, 0, 0, $h, $x, $y));
                                                if ($clipping) {
                                                        $this->SVGTransform($tm);
                                                        $this->SVGPath($d, 'CNZ');
                                                } else {
                                                        $this->StartTransform();
                                                        $this->SVGTransform($tm);
                                                        $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h, 'SVGPath', array($d, 'CNZ'));
                                                        if (!empty($obstyle)) {
                                                                $this->SVGPath($d, $obstyle);
                                                        }
                                                        $this->StopTransform();
                                                }
                                        }
                                }
                                break;
                        }
                        // shapes
                        case 'rect': {
                                if ($invisible) {
                                        break;
                                }
                                $x = (isset($attribs['x'])?$this->getHTMLUnitToUnits($attribs['x'], 0, $this->svgunit, false):0);
                                $y = (isset($attribs['y'])?$this->getHTMLUnitToUnits($attribs['y'], 0, $this->svgunit, false):0);
                                $w = (isset($attribs['width'])?$this->getHTMLUnitToUnits($attribs['width'], 0, $this->svgunit, false):0);
                                $h = (isset($attribs['height'])?$this->getHTMLUnitToUnits($attribs['height'], 0, $this->svgunit, false):0);
                                $rx = (isset($attribs['rx'])?$this->getHTMLUnitToUnits($attribs['rx'], 0, $this->svgunit, false):0);
                                $ry = (isset($attribs['ry'])?$this->getHTMLUnitToUnits($attribs['ry'], 0, $this->svgunit, false):$rx);
                                if ($clipping) {
                                        $this->SVGTransform($tm);
                                        $this->RoundedRectXY($x, $y, $w, $h, $rx, $ry, '1111', 'CNZ', array(), array());
                                } else {
                                        $this->StartTransform();
                                        $this->SVGTransform($tm);
                                        $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h, 'RoundedRectXY', array($x, $y, $w, $h, $rx, $ry, '1111', 'CNZ'));
                                        if (!empty($obstyle)) {
                                                $this->RoundedRectXY($x, $y, $w, $h, $rx, $ry, '1111', $obstyle, array(), array());
                                        }
                                        $this->StopTransform();
                                }
                                break;
                        }
                        case 'circle': {
                                if ($invisible) {
                                        break;
                                }
                                $r = (isset($attribs['r']) ? $this->getHTMLUnitToUnits($attribs['r'], 0, $this->svgunit, false) : 0);
                                $cx = (isset($attribs['cx']) ? $this->getHTMLUnitToUnits($attribs['cx'], 0, $this->svgunit, false) : (isset($attribs['x']) ? $this->getHTMLUnitToUnits($attribs['x'], 0, $this->svgunit, false) : 0));
                                $cy = (isset($attribs['cy']) ? $this->getHTMLUnitToUnits($attribs['cy'], 0, $this->svgunit, false) : (isset($attribs['y']) ? $this->getHTMLUnitToUnits($attribs['y'], 0, $this->svgunit, false) : 0));
                                $x = ($cx - $r);
                                $y = ($cy - $r);
                                $w = (2 * $r);
                                $h = $w;
                                if ($clipping) {
                                        $this->SVGTransform($tm);
                                        $this->Circle($cx, $cy, $r, 0, 360, 'CNZ', array(), array(), 8);
                                } else {
                                        $this->StartTransform();
                                        $this->SVGTransform($tm);
                                        $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h, 'Circle', array($cx, $cy, $r, 0, 360, 'CNZ'));
                                        if (!empty($obstyle)) {
                                                $this->Circle($cx, $cy, $r, 0, 360, $obstyle, array(), array(), 8);
                                        }
                                        $this->StopTransform();
                                }
                                break;
                        }
                        case 'ellipse': {
                                if ($invisible) {
                                        break;
                                }
                                $rx = (isset($attribs['rx']) ? $this->getHTMLUnitToUnits($attribs['rx'], 0, $this->svgunit, false) : 0);
                                $ry = (isset($attribs['ry']) ? $this->getHTMLUnitToUnits($attribs['ry'], 0, $this->svgunit, false) : 0);
                                $cx = (isset($attribs['cx']) ? $this->getHTMLUnitToUnits($attribs['cx'], 0, $this->svgunit, false) : (isset($attribs['x']) ? $this->getHTMLUnitToUnits($attribs['x'], 0, $this->svgunit, false) : 0));
                                $cy = (isset($attribs['cy']) ? $this->getHTMLUnitToUnits($attribs['cy'], 0, $this->svgunit, false) : (isset($attribs['y']) ? $this->getHTMLUnitToUnits($attribs['y'], 0, $this->svgunit, false) : 0));
                                $x = ($cx - $rx);
                                $y = ($cy - $ry);
                                $w = (2 * $rx);
                                $h = (2 * $ry);
                                if ($clipping) {
                                        $this->SVGTransform($tm);
                                        $this->Ellipse($cx, $cy, $rx, $ry, 0, 0, 360, 'CNZ', array(), array(), 8);
                                } else {
                                        $this->StartTransform();
                                        $this->SVGTransform($tm);
                                        $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h, 'Ellipse', array($cx, $cy, $rx, $ry, 0, 0, 360, 'CNZ'));
                                        if (!empty($obstyle)) {
                                                $this->Ellipse($cx, $cy, $rx, $ry, 0, 0, 360, $obstyle, array(), array(), 8);
                                        }
                                        $this->StopTransform();
                                }
                                break;
                        }
                        case 'line': {
                                if ($invisible) {
                                        break;
                                }
                                $x1 = (isset($attribs['x1'])?$this->getHTMLUnitToUnits($attribs['x1'], 0, $this->svgunit, false):0);
                                $y1 = (isset($attribs['y1'])?$this->getHTMLUnitToUnits($attribs['y1'], 0, $this->svgunit, false):0);
                                $x2 = (isset($attribs['x2'])?$this->getHTMLUnitToUnits($attribs['x2'], 0, $this->svgunit, false):0);
                                $y2 = (isset($attribs['y2'])?$this->getHTMLUnitToUnits($attribs['y2'], 0, $this->svgunit, false):0);
                                $x = $x1;
                                $y = $y1;
                                $w = abs($x2 - $x1);
                                $h = abs($y2 - $y1);
                                if (!$clipping) {
                                        $this->StartTransform();
                                        $this->SVGTransform($tm);
                                        $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h, 'Line', array($x1, $y1, $x2, $y2));
                                        $this->Line($x1, $y1, $x2, $y2);
                                        $this->StopTransform();
                                }
                                break;
                        }
                        case 'polyline':
                        case 'polygon': {
                                if ($invisible) {
                                        break;
                                }
                                $points = (isset($attribs['points'])?$attribs['points']:'0 0');
                                $points = trim($points);
                                // note that point may use a complex syntax not covered here
                                $points = preg_split('/[\,\s]+/si', $points);
                                if (count($points) < 4) {
                                        break;
                                }
                                $p = array();
                                $xmin = 2147483647;
                                $xmax = 0;
                                $ymin = 2147483647;
                                $ymax = 0;
                                foreach ($points as $key => $val) {
                                        $p[$key] = $this->getHTMLUnitToUnits($val, 0, $this->svgunit, false);
                                        if (($key % 2) == 0) {
                                                // X coordinate
                                                $xmin = min($xmin, $p[$key]);
                                                $xmax = max($xmax, $p[$key]);
                                        } else {
                                                // Y coordinate
                                                $ymin = min($ymin, $p[$key]);
                                                $ymax = max($ymax, $p[$key]);
                                        }
                                }
                                $x = $xmin;
                                $y = $ymin;
                                $w = ($xmax - $xmin);
                                $h = ($ymax - $ymin);
                                if ($name == 'polyline') {
                                        $this->StartTransform();
                                        $this->SVGTransform($tm);
                                        $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h, 'PolyLine', array($p, 'CNZ'));
                                        if (!empty($obstyle)) {
                                                $this->PolyLine($p, $obstyle, array(), array());
                                        }
                                        $this->StopTransform();
                                } else { // polygon
                                        if ($clipping) {
                                                $this->SVGTransform($tm);
                                                $this->Polygon($p, 'CNZ', array(), array(), true);
                                        } else {
                                                $this->StartTransform();
                                                $this->SVGTransform($tm);
                                                $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h, 'Polygon', array($p, 'CNZ'));
                                                if (!empty($obstyle)) {
                                                        $this->Polygon($p, $obstyle, array(), array(), true);
                                                }
                                                $this->StopTransform();
                                        }
                                }
                                break;
                        }
                        // image
                        case 'image': {
                                if ($invisible) {
                                        break;
                                }
                                if (!isset($attribs['xlink:href']) OR empty($attribs['xlink:href'])) {
                                        break;
                                }
                                $x = (isset($attribs['x'])?$this->getHTMLUnitToUnits($attribs['x'], 0, $this->svgunit, false):0);
                                $y = (isset($attribs['y'])?$this->getHTMLUnitToUnits($attribs['y'], 0, $this->svgunit, false):0);
                                $w = (isset($attribs['width'])?$this->getHTMLUnitToUnits($attribs['width'], 0, $this->svgunit, false):0);
                                $h = (isset($attribs['height'])?$this->getHTMLUnitToUnits($attribs['height'], 0, $this->svgunit, false):0);
                                $img = $attribs['xlink:href'];
                                if (!$clipping) {
                                        $this->StartTransform();
                                        $this->SVGTransform($tm);
                                        $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, $w, $h);
                                        if (preg_match('/^data:image\/[^;]+;base64,/', $img, $m) > 0) {
                                                // embedded image encoded as base64
                                                $img = '@'.base64_decode(substr($img, strlen($m[0])));
                                        } else {
                                                // fix image path
                                                if (!TCPDF_STATIC::empty_string($this->svgdir) AND (($img[0] == '.') OR (basename($img) == $img))) {
                                                        // replace relative path with full server path
                                                        $img = $this->svgdir.'/'.$img;
                                                }
                                                if (($img[0] == '/') AND !empty($_SERVER['DOCUMENT_ROOT']) AND ($_SERVER['DOCUMENT_ROOT'] != '/')) {
                                                        $findroot = strpos($img, $_SERVER['DOCUMENT_ROOT']);
                                                        if (($findroot === false) OR ($findroot > 1)) {
                                                                if (substr($_SERVER['DOCUMENT_ROOT'], -1) == '/') {
                                                                        $img = substr($_SERVER['DOCUMENT_ROOT'], 0, -1).$img;
                                                                } else {
                                                                        $img = $_SERVER['DOCUMENT_ROOT'].$img;
                                                                }
                                                        }
                                                }
                                                $img = urldecode($img);
                                                $testscrtype = @parse_url($img);
                                                if (!isset($testscrtype['query']) OR empty($testscrtype['query'])) {
                                                        // convert URL to server path
                                                        $img = str_replace(K_PATH_URL, K_PATH_MAIN, $img);
                                                }
                                        }
                                        // get image type
                                        $imgtype = TCPDF_IMAGES::getImageFileType($img);
                                        if (($imgtype == 'eps') OR ($imgtype == 'ai')) {
                                                $this->ImageEps($img, $x, $y, $w, $h);
                                        } elseif ($imgtype == 'svg') {
                                                // store SVG vars
                                                $svggradients = $this->svggradients;
                                                $svggradientid = $this->svggradientid;
                                                $svgdefsmode = $this->svgdefsmode;
                                                $svgdefs = $this->svgdefs;
                                                $svgclipmode = $this->svgclipmode;
                                                $svgclippaths = $this->svgclippaths;
                                                $svgcliptm = $this->svgcliptm;
                                                $svgclipid = $this->svgclipid;
                                                $svgtext = $this->svgtext;
                                                $svgtextmode = $this->svgtextmode;
                                                $this->ImageSVG($img, $x, $y, $w, $h);
                                                // restore SVG vars
                                                $this->svggradients = $svggradients;
                                                $this->svggradientid = $svggradientid;
                                                $this->svgdefsmode = $svgdefsmode;
                                                $this->svgdefs = $svgdefs;
                                                $this->svgclipmode = $svgclipmode;
                                                $this->svgclippaths = $svgclippaths;
                                                $this->svgcliptm = $svgcliptm;
                                                $this->svgclipid = $svgclipid;
                                                $this->svgtext = $svgtext;
                                                $this->svgtextmode = $svgtextmode;
                                        } else {
                                                $this->Image($img, $x, $y, $w, $h);
                                        }
                                        $this->StopTransform();
                                }
                                break;
                        }
                        // text
                        case 'text':
                        case 'tspan': {
                                if (isset($this->svgtextmode['text-anchor']) AND !empty($this->svgtext)) {
                                        // @TODO: unsupported feature
                                }
                                // only basic support - advanced features must be implemented
                                $this->svgtextmode['invisible'] = $invisible;
                                if ($invisible) {
                                        break;
                                }
                                array_push($this->svgstyles, $svgstyle);
                                if (isset($attribs['x'])) {
                                        $x = $this->getHTMLUnitToUnits($attribs['x'], 0, $this->svgunit, false);
                                } elseif ($name == 'tspan') {
                                        $x = $this->x;
                                } else {
                                        $x = 0;
                                }
                                if (isset($attribs['dx'])) {
                                        $x += $this->getHTMLUnitToUnits($attribs['dx'], 0, $this->svgunit, false);
                                }
                                if (isset($attribs['y'])) {
                                        $y = $this->getHTMLUnitToUnits($attribs['y'], 0, $this->svgunit, false);
                                } elseif ($name == 'tspan') {
                                        $y = $this->y;
                                } else {
                                        $y = 0;
                                }
                                if (isset($attribs['dy'])) {
                                        $y += $this->getHTMLUnitToUnits($attribs['dy'], 0, $this->svgunit, false);
                                }
                                $svgstyle['text-color'] = $svgstyle['fill'];
                                $this->svgtext = '';
                                if (isset($svgstyle['text-anchor'])) {
                                        $this->svgtextmode['text-anchor'] = $svgstyle['text-anchor'];
                                } else {
                                        $this->svgtextmode['text-anchor'] = 'start';
                                }
                                if (isset($svgstyle['direction'])) {
                                        if ($svgstyle['direction'] == 'rtl') {
                                                $this->svgtextmode['rtl'] = true;
                                        } else {
                                                $this->svgtextmode['rtl'] = false;
                                        }
                                } else {
                                        $this->svgtextmode['rtl'] = false;
                                }
                                if (isset($svgstyle['stroke']) AND ($svgstyle['stroke'] != 'none') AND isset($svgstyle['stroke-width']) AND ($svgstyle['stroke-width'] > 0)) {
                                        $this->svgtextmode['stroke'] = $this->getHTMLUnitToUnits($svgstyle['stroke-width'], 0, $this->svgunit, false);
                                } else {
                                        $this->svgtextmode['stroke'] = false;
                                }
                                $this->StartTransform();
                                $this->SVGTransform($tm);
                                $obstyle = $this->setSVGStyles($svgstyle, $prev_svgstyle, $x, $y, 1, 1);
                                $this->x = $x;
                                $this->y = $y;
                                break;
                        }
                        // use
                        case 'use': {
                                if (isset($attribs['xlink:href']) AND !empty($attribs['xlink:href'])) {
                                        $svgdefid = substr($attribs['xlink:href'], 1);
                                        if (isset($this->svgdefs[$svgdefid])) {
                                                $use = $this->svgdefs[$svgdefid];
                                                if (isset($attribs['xlink:href'])) {
                                                        unset($attribs['xlink:href']);
                                                }
                                                if (isset($attribs['id'])) {
                                                        unset($attribs['id']);
                                                }
                                                if (isset($use['attribs']['x']) AND isset($attribs['x'])) {
                                                        $attribs['x'] += $use['attribs']['x'];
                                                }
                                                if (isset($use['attribs']['y']) AND isset($attribs['y'])) {
                                                        $attribs['y'] += $use['attribs']['y'];
                                                }
                                                if (empty($attribs['style'])) {
                                                        $attribs['style'] = '';
                                                }
                                                if (!empty($use['attribs']['style'])) {
                                                        // merge styles
                                                        $attribs['style'] = str_replace(';;',';',';'.$use['attribs']['style'].$attribs['style']);
                                                }
                                                $attribs = array_merge($use['attribs'], $attribs);
                                                $this->startSVGElementHandler($parser, $use['name'], $attribs);
                                                return;
                                        }
                                }
                                break;
                        }
                        default: {
                                break;
                        }
                } // end of switch
                // process child elements
                if (!empty($attribs['child_elements'])) {
                        $child_elements = $attribs['child_elements'];
                        unset($attribs['child_elements']);
                        foreach($child_elements as $child_element) {
                                if (empty($child_element['attribs']['closing_tag'])) {
                                        $this->startSVGElementHandler('child-tag', $child_element['name'], $child_element['attribs']);
                                } else {
                                        if (isset($child_element['attribs']['content'])) {
                                                $this->svgtext = $child_element['attribs']['content'];
                                        }
                                        $this->endSVGElementHandler('child-tag', $child_element['name']);
                                }
                        }
                }
        }
 
        protected function endSVGElementHandler($parser, $name) {
                $name = $this->removeTagNamespace($name);
                if ($this->svgdefsmode AND !in_array($name, array('defs', 'clipPath', 'linearGradient', 'radialGradient', 'stop'))) {;
                        if (end($this->svgdefs) !== FALSE) {
                                $last_svgdefs_id = key($this->svgdefs);
                                if (isset($this->svgdefs[$last_svgdefs_id]['attribs']['child_elements'])) {
                                        foreach($this->svgdefs[$last_svgdefs_id]['attribs']['child_elements'] as $child_element) {
                                                if (isset($child_element['attribs']['id']) AND ($child_element['name'] == $name)) {
                                                        $this->svgdefs[$last_svgdefs_id]['attribs']['child_elements'][$child_element['attribs']['id'].'_CLOSE'] = array('name' => $name, 'attribs' => array('closing_tag' => TRUE, 'content' => $this->svgtext));
                                                        return;
                                                }
                                        }
                                        if ($this->svgdefs[$last_svgdefs_id]['name'] == $name) {
                                                $this->svgdefs[$last_svgdefs_id]['attribs']['child_elements'][$last_svgdefs_id.'_CLOSE'] = array('name' => $name, 'attribs' => array('closing_tag' => TRUE, 'content' => $this->svgtext));
                                                return;
                                        }
                                }
                        }
                        return;
                }
                switch($name) {
                        case 'defs': {
                                $this->svgdefsmode = false;
                                break;
                        }
                        // clipPath
                        case 'clipPath': {
                                $this->svgclipmode = false;
                                break;
                        }
                        case 'svg': {
                                if (--$this->svg_tag_depth <= 0) {
                                        break;
                                }
                        }
                        case 'g': {
                                // ungroup: remove last style from array
                                array_pop($this->svgstyles);
                                $this->StopTransform();
                                break;
                        }
                        case 'text':
                        case 'tspan': {
                                if ($this->svgtextmode['invisible']) {
                                        // This implementation must be fixed to following the rule:
                                        // If the 'visibility' property is set to hidden on a 'tspan', 'tref' or 'altGlyph' element, then the text is invisible but still takes up space in text layout calculations.
                                        break;
                                }
                                // print text
                                $text = $this->svgtext;
                                //$text = $this->stringTrim($text);
                                $textlen = $this->GetStringWidth($text);
                                if ($this->svgtextmode['text-anchor'] != 'start') {
                                        // check if string is RTL text
                                        if ($this->svgtextmode['text-anchor'] == 'end') {
                                                if ($this->svgtextmode['rtl']) {
                                                        $this->x += $textlen;
                                                } else {
                                                        $this->x -= $textlen;
                                                }
                                        } elseif ($this->svgtextmode['text-anchor'] == 'middle') {
                                                if ($this->svgtextmode['rtl']) {
                                                        $this->x += ($textlen / 2);
                                                } else {
                                                        $this->x -= ($textlen / 2);
                                                }
                                        }
                                }
                                $textrendermode = $this->textrendermode;
                                $textstrokewidth = $this->textstrokewidth;
                                $this->setTextRenderingMode($this->svgtextmode['stroke'], true, false);
                                if ($name == 'text') {
                                        // store current coordinates
                                        $tmpx = $this->x;
                                        $tmpy = $this->y;
                                }
                                // print the text
                                $this->Cell($textlen, 0, $text, 0, 0, '', false, '', 0, false, 'L', 'T');
                                if ($name == 'text') {
                                        // restore coordinates
                                        $this->x = $tmpx;
                                        $this->y = $tmpy;
                                }
                                // restore previous rendering mode
                                $this->textrendermode = $textrendermode;
                                $this->textstrokewidth = $textstrokewidth;
                                $this->svgtext = '';
                                $this->StopTransform();
                                if (!$this->svgdefsmode) {
                                        array_pop($this->svgstyles);
                                }
                                break;
                        }
                        default: {
                                break;
                        }
                }
        }
 
        protected function segSVGContentHandler($parser, $data) {
                $this->svgtext .= $data;
        }
 
        // --- END SVG METHODS -----------------------------------------------------
 
} // END OF TCPDF CLASS
 
//============================================================+
// END OF FILE
//============================================================+